Answer:
The cost is 250
Step-by-step explanation:
Let's call the cost of the bench "x". The cost of the garden table is then 3x. The combined cost of the two items is $1000, so we can set up the following equation:
x + 3x = 1000
Combining like terms, we have:
4x = 1000
Dividing both sides by 4, we find:
x = 250
So the cost of the bench is $250.
Jessie is baking a cake and uses 1/2 of the 4
pound bag of flour. How many pounds of
flour did Jessie use to bake her cake?
Answer: 2 pounds of flour
Step-by-step explanation:
1/2 of four is two,
4 * 1/2 = 2
Answer:
Jessie used 1/2 of the 4-pound bag of flour, so she used 1/2 * 4 pounds = 2 pounds of flour to bake her cake.
The population in a certain town is increasing linearly each year. The population at time t=4 is 1580 and at time t=7 is 2000, where t is the number of years after 1990.
If P(t) is the population at time t, which of these equations correctly represents this situation?
We can use the two points given to find the slope of the line (which represents the population growth) and then use the point-slope form of the equation of a line to write an equation.
The population at time t=4 is 1580, which means P(4) = 1580. The population at time t=7 is 2000, which means P(7) = 2000. We can use these two points to find the slope:
slope = (P(7) - P(4)) / (7 - 4) = (2000 - 1580) / 3 = 140
So the slope of the line representing population growth is 140. Now we can use the point-slope form of the equation of a line to write an equation:
P - 1580 = 140(t - 4)
Simplifying and rearranging, we get:
P = 140t - 380
So the correct equation that represents the situation is:
P(t) = 140t - 380.
A scaffold has a diagonal support beam to strengthen it. When the scaffold is 15 feet high and 5 feet wide, how long must the support beam be?
Answer:
15.81 ft
Step-by-step explanation:
Basically it's giving your 2 sides of the right angle triangle & ask you for the long side length.
15²+5²=250
√250 =15.81
Suppose a function f(x) is defined on the domain [-8,4]. If we define a new function g(x) by g(x) = f(-2x), then what is the domain of g(x)? Express your answer in interval notation
The required domain of the function If g(x) = f(-2x) is [-16, 8] in interval notation.
How to find domain of function?The domain of g(x) is the set of all x for which the function g(x) is defined. If g(x) = f(-2x), then the domain of g(x) is the same as the domain of -2x, subject to the restriction that f(x) is defined for the corresponding values of x.
According to question:In interval notation, the domain of -2x is (-∞, ∞).
However, since f(x) is defined only on the interval [-8, 4], the domain of g(x) must be restricted to values of x that correspond to values of -2x within the interval [-8, 4].
To find the corresponding values of x, we need to solve the equation -2x = t for x, where t is a number in the interval [-8, 4].
Solving for x, we get x = -t/2. So, the domain of g(x) is the set of all x such that -t/2 is in the interval [-8, 4], or equivalently, t is in the interval [-16, 8]. In interval notation, this is [-16, 8].
So, the domain of g(x) is [-16, 8] in interval notation.
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6.9.4 Journal: Similar circles6.9.4 Journal: Similar Circles
Journal
Geometry Sem 1
Points Possible:20
Name:
Date:
Scenario: Prove That All Circles Are Similar
Instructions
View the video found on page 1 of this Journal activity.
Using the information provided in the video, answer the questions below.
Show your work for all calculations.
The Students' Conjectures:The two students have different methods for proving that all circles are similar.
1. Complete the table to summarize each student's conjecture about how to solve the problem. (2 points: 1 point for each row of the chart)
Classmate Conjecture
John
Teresa
Evaluate the Conjectures:
2. Intuitively, does it make sense that all circles are similar? Why or why not? (1 point)
Construct the Circles:
3. Draw two circles with the same center. Label the radius of the smaller circle r1 and the radius of the larger circle r2. Use the diagram you have drawn for questions 3 – 10. (2 points)
4. In your diagram in question 3, draw an isosceles right triangle inscribed inside the smaller circle. Label this triangle ABC. (1 point)
5. What do you know about the hypotenuse of △ABC? (2 points)
6. In your diagram in question 3, extend the hypotenuse of △ABC so that it creates the hypotenuse of a right triangle inscribed in the larger circle. Add point Y to the larger circle so it is equidistant from X and Z. Then complete isosceles triangle XYZ. (1 point)
7. What do you know about the hypotenuse of △XYZ? (2 points)
8. How does △ABC compare with △XYZ? Explain your reasoning. (2 points)
9. Use the fact that △ABC ≈ △XYZ to show that the ratio of the radii is a constant. (2 points)
Making a Decision
10. Who was right, Teresa or John? (1 point)
Further Exploration:
11. What is the circumference of the circle that circumscribes a triangle with side lengths 3, 4, and 5? (4 points)
Transcript: Similar Circles
The video begins with a young woman talking in front of a blank screen.
Audio:
I'm Teresa. My friend John and I need to prove that all circles are similar. It seems obvious, right?! Of course they're similar, they’re all circles!
[Many circles of different sizes and colors pop up onto the screen.]
Um, this is making me a little dizzy.
[The circles disappear.]
But we do need to prove that all circles are mathematically similar.
Here’s the way John looks at it: Remember what we learned about similar triangles?
[Two triangles appear on the screen. One is small and the other is large.]
We can take one triangle, and move it on top of another triangle.
[The small triangle is placed on top of the large triangle.]
Then, we dilate it to show that they are similar. Like that.
[The small triangle is dilated to the size of the large triangle.]
John says we can do the same thing with circles.
[Two circles appear on the screen. One is small and the other is large.]
Take any two circles, and move them so that they have the same center.
[The small circle is moved on top of the large circle.]
Then, you can dilate or contract the circles until they are the same size.
[The small circle is dilated to the size of the large circle.]
Taa-daa! The circles are similar. I have another way to prove it.
[Two triangles appear on the screen. The small triangle has sides of length 2, 2, and 3 and the large triangle has sides of length 6, 6, and 9.]
We also know that triangles are similar if all of their corresponding sides have the same ratio.
[The corresponding sides of the triangle are highlighted. On-screen text: 2 over 6 equals 2 over 6 which equals 3 over 9 which equals 1 over 3 Similar!]
Well, the same idea should also work with circles.
[Two circles appear on the screen. One circle is small and the other circle is large.]
If the corresponding parts of two circles have the same ratio, then the circles must be similar. And lucky for us, everything about a circle can be described with its radius!
[Beneath the small circle is written "equals r sub 1." Inside the large circle is written "equals r sub 2." On-screen text: Diameter equals 2r, Circumference equals 2pi r, and Area equals pi r squared.]
So, if the radii of these circles have a constant ratio, then the circles are similar.
[On-screen text: If r sub 1 over r sub 2 equals k, a constant, then the circles are similar.]
What's more, I think I can prove all this by using inscribed triangles. But I need your help.
[A triangle is inscribed in each of the circles using the diameter of the circles as their bases.]
Can we actually use inscribed right triangles to show that all circles are similar?
Step-by-step explanation:
Classmate Conjecture
John | All circles are similar if they have the same center and can be dilated or contracted to the same size.
Teresa | All circles are similar if their corresponding radii have a constant ratio.
Evaluate the Conjectures:
2. Yes, it makes intuitive sense that all circles are similar because they all have the same shape and form.
Construct the Circles:
3. [Diagram not provided]
[Diagram not provided]
The hypotenuse of △ABC is the diameter of the smaller circle.
[Diagram not provided]
The hypotenuse of △XYZ is the diameter of the larger circle.
The two triangles, △ABC and △XYZ, are similar because they are both isosceles right triangles with the same angle measures.
The ratio of the lengths of their sides are equal, therefore the ratio of their radii is a constant.
Making a Decision:
10. Both John and Teresa were right as all circles are similar if they have the same center and can be dilated or contracted to the same size (John's method) and also if their corresponding radii have a constant ratio (Teresa's method).
Further Exploration:
11. The circumference of the circle that circumscribes a triangle with side lengths 3, 4, and 5 can be found using the Pythagorean theorem to find the diameter of the circle, which is equal to the sum of the lengths of the three sides. The diameter is equal to 5, so the circumference is equal to 2 * pi * (5 / 2) = 5 * pi
Please provide all information when asking a question
need help with pre cal hw
The factors of the quadratic function x² - 2x - 4 is equal to
(x + 1 + √5)(x - 1 + √5)
What is a factor of a polynomial?We know that if x = a is one of the roots of a given polynomial x - a = 0 is a factor of the given polynomial.
To confirm if x - a = 0 is a factor of a polynomial we replace f(x) with f(a) and if the remainder is zero then it is confirmed that x - a = 0 is a factor.
Given, The zeros of the quadratic function x² - 2x - 4 are,
(1 + √5) and (1 - √5). (As they occur in conjugate pairs).
Therefore, The factors of (x + (1 + √5))(x + (x - (1 - √5))
x² - 2x - 4 = (x + 1 + √5)(x - 1 + √5)
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6.6 Midpoints and Bisectors
(6.6.4 Apply the concept of midpoint to solve real-life problems)
55. SCAVENGER HUNT Pablo is going to ask Bianca to prom by sending her on a scavenger hunt. At the end of the scavenger hunt, Pablo will be standing halfway between the gazebo and the ice cream shop in town. Where should Pablo stand?
The midpoint is given by the coordinates M ( 6 , 7.5 )
What is the midpoint of two points?The midpoint of a line segment is a point that lies halfway between 2 points. The midpoint is the same distance from each endpoint.
Measure the distance between the two end points, and divide by 2.
Let A ( x₁ , y₁ ) be the first point
Let B ( x₂ , y₂ ) be the second point
The midpoint between A and B is M ( a , b ) where
a = ( x₁ + x₂ )/2
b = ( y₁ + y₂ ) / 2
Given data ,
Let the midpoint of gazebo and the ice cream shop in town be M ( a , b )
Now , the equation will be
The coordinates of the point Gazebo = G ( 10 , 12 )
The coordinates of the point Ice Cream = C ( 2 , 3 )
Now , midpoint between A and B is M ( a , b ) where
a = ( x₁ + x₂ )/2
b = ( y₁ + y₂ ) / 2
Substituting the values in the equation , we get
a = ( 10 + 2 ) / 2
a = 12 / 2
a = 6
b = ( 12 + 3 ) / 2
b = 15 / 2
b = 7.5
So , the coordinates of the midpoint is M ( 6 , 7.5 )
Hence , the midpoint is M ( 6 , 7.5 )
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what is the geometric progression of; 1+3+6+9+12...
Answer:
Addition with the number 3.
Next numbers will be 15, 18, 21,...
Which choices if multiplied by √36
would result in an irrational number answer?
Responses
A 3.454545...
B −52
C √9/16
D 2.828427...
E √18
The choices if multiplied by √36 would result in an irrational number are
3.454545... and 2.828427... the correct options are A and D.
What are natural numbers, rational numbers, integers and irrational numbers?
Natural numbers are: 1, 2, 3, ....
Integer numbers are: ...., -2, -1, 0, 1, 2, ... (so it includes positive and negative natural number, and 0 )
Rational numbers are numbers which can be written in the form of \dfrac{a}{b} where a and b are integers. Example: 1/2, 3.5 (which is writable as 7/5) etc.
Irrational numbers are those real numbers which are not rational numbers.
Know that all natural numbers are integers, all integers are rational numbers. That means, natural numbers are not irrational.
Given;
The number is multiplied by √36
√36=6
3.454545*6=20.72727
-5*6=-30
3/4*6=9/2
2.828427*6=16.970562
√18*6= 6√18
Therefore, the irrational numbers will be 3.454545... and 2.828427...
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Rahela's account has an annual interest rate of 6.5% compounded semiannually. What is the annual percentage yield for Rahela's account?
Answer: The annual percentage yield for Rahela's account can be calculated by finding the effective annual interest rate, which takes into account the frequency of compounding. The effective annual interest rate is calculated as follows:
Effective annual interest rate = (1 + (6.5/2))^2 - 1 = 6.6725%
So, the annual percentage yield for Rahela's account is 6.6725%.
Step-by-step explanation:
Find the equation of the line with slope 14 and y-intercept (0,−1).
Answer:
y = 14x - 1
Step-by-step explanation:
By equation of the line, we mean the slope intercept form equation [tex]y=mx+b[/tex] where m is the slope and b is the y intercept. As a result, we are given the slope and the y intercept in the problem. So we can use this to write our equation
[tex]y=14x-1[/tex]
Hope this helps!
A scientist evaluated the local deer population. The scientist found that there were 110 juveniles and 90 adults in the local population. What percentage of the deer were juveniles?
Answer:
55%
Step-by-step explanation:
To find the percentage of juveniles in the local deer population, we need to calculate the proportion of juveniles in the total population and convert it to a percentage.
First, find the total number of deer in the population by adding the number of juveniles and adults:
110 juveniles + 90 adults = 200 deer
Next, divide the number of juveniles by the total number of deer and multiply by 100 to convert to a percentage:
110 juveniles / 200 deer * 100 = 55%
Therefore, 55% of the local deer population were juveniles.
Shannon put some money in her savings account. After 6 months, she earned $10.50 in interest. If the interest rate was 7%, how much money did Shannon put in her account?
The amount of money put by Shannon in her account is $300.
What is simple interest?Simple interest is a way to figure out how much interest will be charged on a sum of money at a specific rate and for a specific amount of time.
Contrary to compound interest, where we add the interest of one year's principal to the next year's principal to calculate interest, the principal amount in simple interest remains constant.
Given that Shannon put some money in her savings account. After 6 months, she earned $10.50 in interest. If the interest rate was 7%,
The amount will be calculated as:-
SI = ( P x R x T ) / 100
10.50 = ( P x 7 x 1 ) ( 2 x 100 )
P = ( 10.50 x 2 x 100 ) / ( 7 )
P = $300
Therefore, $300 has been deposited into Shannon's account.
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a negative x a negative =
A ball thrown upwards hits a roof and returns back to the ground.
The upward movement is modeled by a function s=−t2+3t+4
and the downward movement is modeled by s=−2t2+t+7
, where s is the distance (in metres) from the ground and t
is the time in seconds.
Find the height of the roof from the ground.
Answer: To find the height of the roof, we need to find the point where the ball reaches the maximum height, i.e., the point where the velocity of the ball is equal to 0.
The velocity of the ball can be found by taking the derivative of the function s. The derivative of the function s = −t^2 + 3t + 4 is given by v = ds/dt = 3 − 2t, and the derivative of the function s = −2t^2 + t + 7 is given by v = ds/dt = 1 − 4t.
Setting v = 0, we get 3 − 2t = 0 and t = 3/2 seconds.
Plugging t = 3/2 seconds into the first equation, s = −t^2 + 3t + 4, we get s = −(3/2)^2 + 3(3/2) + 4 = 9/4 + 9/2 + 4 = 7 metres.
Therefore, the height of the roof from the ground is 7 metres.
Step-by-step explanation:
In a right triangle, a and b are the lengths of the legs and c is the length of the hypotenuse.
If a = 5.7 meters and c = 9.6 meters, what is b? If necessary, round to the nearest tenth.
Solving the provided question, we can say by Pythagorean theorem b = [tex]\sqrt{a^2 + b^2}[/tex] = [tex]\sqrt{32.49 + 92.16}[/tex] = 11.231meters
what is Pythagorean theorem?The Pythagorean Theorem, sometimes known as the Pythagorean Theorem, is the basic Euclidean geometry relationship between a right triangle's three sides. According to this rule, the area of a square with the hypotenuse side equals the sum of the areas of squares with the other two sides. The Pythagorean Theorem, often known as the generic algebraic notation a2 + b2 = c2, states that the square that crosses the hypotenuse of a right triangle opposite the right angle equals the sum of the squares that span the sides of a right triangle.
By Pythagorean theorem
a = 5.7 meters and c = 9.6
b = [tex]\sqrt{a^2 + b^2}[/tex]
b = [tex]\sqrt{32.49 + 92.16}[/tex]
b = [tex]\sqrt{124.65}[/tex]
b = 11.231meters
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Simplify.
4x²+2x
x²+x-2
8x² + 4x
3x2 +10x+8
All things algebra unit 5 homework 10 systems of inequalities
Note that a system of two linear inequalities in two variables is made up of at least two inequalities in the same variables.
What are systems of inequalities used for?Consider the following scenarios: highway speed restrictions, minimum credit card payments, the quantity of text messages you may send each month from your cell phone, and the time it will take to commute from home to school.
All of these may be expressed mathematically as inequalities. A linear inequality's solution is the ordered pair that is a resolution to all inequalities in the system, and the graph of the linear inequality is the graph of all system solutions.
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Which term does not belong?
term
coefficient
constant
slope
Answer:
not sure but slope doesn't belong
Step-by-step explanation:
How many meters are in 956 centimeters
Answer:
956 centimeters is equal to 9.56 meters.
How many meters are in 956 centimeters?
Well, first, we must understand the conversion from meters to centimeters and centimeters to meters.
1m=100cm and 1cm=0.01m. So multiply by 100 if converting from m to cm and divide by 100 if converting from cm to m.
In this problem, we're looking at cm to m.
Take 956cm and divide that by 100. You'll get 9.56m. That's your answer.
Hope this helped!
A rectangular yard measuring
30
by
35ft
is bordered (and surrounded) by a fence. Inside, a walk that is
3ft
wide goes all the way along the fence. Find the area of this walk. Be sure to include the correct unit in your answer.
an object is thrown upward at a speed of 156 feet per second by a machine from a height of 19 feet off the ground. the height of the object after seconds can be found using the equation h= -16t^2 +156t +5. When will the height 269feet?. When will the object reach the ground?
Solving the quadratic equation, we found that the object is at a height of 269 feet when t is 1.99s and 8.55s and the object reaches the ground when t = 9.78s.
What is a quadratic equation?
Any equation in algebra that can be written in standard form:
ax² + bx + c =0
where x stands for an unknown value, where a, b, and c stand for known values, and where a 0 is true is known as a quadratic equation.
The given equation of height h = -16t² + 156t +5
a) The time when the height is 269 feet can be found by substituting this value for h in the above equation.
h = -16t² + 156t +5
169 = -16t² + 156t +5
16t² - 156t + 164 = 0
Solving we get t = 8.55 s, 1.99s
b) The time when the object reaches the ground.
For this, we can take h = 0
-16t² + 156t +5 = 0
t = -0.03, 9.78
The negative value can be ignored.
Therefore solving the quadratic equation, we found that the object is at a height of 269 feet when t is 1.99s and 8.55s and the object reaches the ground when t = 9.78s.
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Compare A and B in three ways, where A= 51,102 is the number of deaths due to a deadly disease in the United States in 2005 and B= 17,056 is the number of deaths due to the same disease in the United States in 2009.
Answer:
Step-by-step explanation:
Here are three ways to compare A and B, where A= 51,102 is the number of deaths due to a deadly disease in the United States in 2005 and B= 17,056 is the number of deaths due to the same disease in the United States in 2009:
Magnitude: A is approximately three times larger than B. This means that the number of deaths due to the disease was significantly higher in 2005 than in 2009.
Trend: There was a significant decrease in the number of deaths due to the disease between 2005 and 2009. The number of deaths decreased by approximately 67%, from 51,102 in 2005 to 17,056 in 2009.
Impact: Despite the significant decrease in the number of deaths, the disease still caused a significant number of deaths in both 2005 and 2009. This highlights the ongoing importance of disease prevention and treatment efforts to reduce the impact of the disease on public health.
circular cake is 12 inches in diameter and 4 inches high. The side and top of the cake are to be covered with icing. To the nearest square inch, what is the area that needs to be iced?
The area needed to be iced is 263.76 inches².
How to find the area of the cake that will be iced?The circular cake is 12 inches in diameter and 4 inches high. The side and top of the cake are to be covered with icing. The area of the cake that will be iced can be found as follows;
The area to to be iced is the top and the lateral area.
Therefore,
area to be iced = πr² + 2πrh
area to be iced = πr(r + 2h)
Therefore,
r = 12 / 2 = 6 inches
h = 4 inches
Hence,
area to be iced = 6π(6 + 2(4))
area to be iced = 6π(14)
area to be iced = 84π
area to be iced = 263.76 inches²
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Use the general slicing mothod to find the volume of the following solid. The solid with a semicircular base of radius 16 whose cross section is perpendicular to the base and parallel to the diameter are squares. Place the semicircle on the xy-plane so that its diameter is on the x-axis and it is centered on the y-axis. Set up the integral that gives the volume of the solid. Use increasing limits of integration.
[tex]V= [0,16] \int\limits {4y^2 \sqrt{(256 - y^2)} } \, dy[/tex] would be the integral that gives the volume of the solid.
What is Disk method of integration?
Disc integration is a method for estimating the volume of a solid of revolution of a solid-state material when integrating along an axis "parallel" to the axis of revolution in integral calculus.
The volume of the solid can be found using the disk method of integration. In this method, we consider thin slices of the solid perpendicular to the x-axis, each of which is a disk with a square cross-section.
The volume of each slice is equal to the product of the area of its cross-section and its thickness, which is equal to the difference in x-coordinates between the top and bottom of the slice.
Let's call the top-right corner of the square cross-section (x, y, z). We k[tex]x^2 + y^2 = 256[/tex]
And we also know that the side length of the square is equal to 2y. So, the area of the cross-section is equal to [tex](2y)^2 = 4y^2.[/tex] The volume of the slice is equal to [tex]4y^2 dx.[/tex]
Since the semicircle is centered at the origin, the value of y ranges from 0 to 16.
The value of x ranges from 0 to the square root of [tex]256 - y^2.[/tex]Using these ranges, the volume of the solid can be calculated as follows:
[tex]V=\int\limits {[0,16] 4y^2 \sqrt{(256 - y^2)} } \, dy\\V= [0,16] \int\limits {4y^2 \sqrt{(256 - y^2)} } \, dy[/tex]
This is the integral that gives the volume of the solid.
Therefore, [tex]V= [0,16] \int\limits {4y^2 \sqrt{(256 - y^2)} } \, dy[/tex] would be the integral that gives the volume of the solid.
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I'm doing ixl and I don't understand what I need to do in the problem.
Answer:
3C ÷ 21 = 63 C = 21
great question BTW
kate works 8 hours a day at minimum wage Monday through Friday. Find her gross pay for one week
Before any taxes, deductions, and other adjustments, she earns $98.40 per week.
What is gross pay?Gross pay refers to the total amount of money an employee earns before any deductions or taxes are taken out. It is the total amount of money earned by an employee for the hours worked, including any overtime or bonuses.
here, we have,
To calculate Talia's gross pay for a week, we need to know how many hours she works per day and her pay rate.
You've provided that information:
Talia works 6 hours per day on Fridays and Saturdays each week.
Her pay rate is $8.20 per hour.
First, we need to find out how many hours she works a week. As she works 6 hours on Friday and 6 hours on Saturday, the total hours she works in a week is 6 hours/day x 2 days/week = 12 hours/week.
Next, we need to multiply her hourly rate by the number of hours she works per week to find her gross pay. Her pay rate is $8.20/hour and she works 12 hours/week, so her gross pay is:
$8.20/hour x 12 hours/week = $98.40/week
So, Talia's gross pay for a week is $98.40.
Therefore, before any taxes, deductions, and other adjustments, she earns $98.40 per week.
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Sally saved $182 in March. Her father gave her $20 for every
$50 she saved. How much did Sally's father give her?
Answer:
$60
50×3=150
182-150=32
so Sally made 3 $50 so 20+20+20=60
Function A is represented by y = 4x – 3. Function B is a linear function that passes through the points shown in the table. x –1 1 3 5 y 0 4 8 12 What is the rate of change of function A? What is the rate of change of function B? Which function has a greater rate of change? Select ... Select ...
Therefore , the solution of the given problem of function comes out to be Since 4 > 2, function A has a greater rate of change than function B.
Describe Function.The mathematics curriculum covers the study of numbers or rather their variations as well as in our environment, buildings, and both actual and imagined locations. A function presents a graph representation of the relationship between input and output quantities. A function, expression simply, is a collection of sources that, when combined, result in particular outputs by each input. There is a locale, territory, or range assigned to each job.
Here,
The rate of change of a linear function is the slope of the line.
Function A is y = 4x - 3, so the rate of change (slope) is 4.
To find the rate of change of function B, we can calculate the slope of the line passing through the points given in the table. Using the two points (1,4) and (5,12), we get:
slope = (change in y) / (change in x) = (12-4) / (5-1) = 2
So the rate of change of function B is 2.
Since 4 > 2, function A has a greater rate of change than function B.
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Drag and drop the constant of proportionality into the box to match the table. If the table is not proportional, drag and drop "not proportional" into the box.
The value of proportionality is not same.So the it is not proportional.
What is Proportionality?Any relationship that has a constant ratio is said to be proportionate. For instance, the ratio of proportionality is the average number of apples per tree, and the amount of apples in a crop is proportional to the number of trees in the orchard.
According to question:Let
y ∝ x
y = kx , k is constant
Take x = 2, y = 3
3 = k(2)
k = 3/2 = 1.5
At x= 4, y = 7
7 = k(4)
k = 7/4 = 1.75
The value of proportionality is not same.So the it is not proportional.
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