Can someone teach me quadratics?

Answers

Answer 1

Answer:

yeah sure

Step-by-step explanation:

all I can say if you wanna find the starting point of a quadratic graph use the rule (-b/2a).

use that rule to find x or h then substitute in your quadratic equation , and with the that you found out using rule.

then you will find the y or k then make a table of values and put the vertex of the x and y that you found.

then add two values that are less than x and add two values that are more than x then you substitute with the new values in order to find their y.

then point all the points you found and finally draw the graph you will find it like a u shaped graph or called a parabola.

hope this helps


Related Questions

State if the two triangles are congruent. If they are, state how you know.
See picture for full problem. Please and thank you!

Answers

Answer:

Yes they are.

They are congruent because they have two equal angles and one equal side

Pls help me with this question

Answers

Answer:

were is the qn?

Step-by-step explanation:

A salesman sells a car for 960,000.If he receives a commission of 15%,how much will be his commission?​

Answers

Answer:

144 000

Step-by-step explanation:

960 000 × 0.15

= 144 000

Answer:

144,000

Step-by-step explanation:

[tex] \frac{15}{100} \times 960000 \\ 15 \times 9600 \\ 144000[/tex]

You and your classmate went to get lunch and your total bill (before taxes) was $48.50. You liked the food and want to leave a tip of $20%. What is the tip?

Answers

Answer:

9 dollars 70 cents

Step-by-step explanation:

20% of 48.50

0.8 = 8/10

True
False

Answers

Answer:

true

Step-by-step explanation:

0.8 is out of 1.0 so 0.8 + 0.2 = 1.0 and same for 8/10

Answer: True

Step-by-step explanation:

In order to see if the two given numbers are equal to each other, you need to turn one of them into either a fraction or a decimal so both of them are the same and you are able to compare.

In order to turn [tex]\frac{8}{10}[/tex] into a decimal, you divide 10 by 8.

8 ÷ 10 = 0.8

Both of the decimals are the same therefore the numbers are equal to each other and the statement is true.

PLSSSS WILL MARK BRAINLIEST IF CORRECT

Cody’s favorite snacks are pecans and almonds. At the Nut Haus, pecans sell for $2.00 a pound and almonds sell for $4.50 a pound. Cody wants to buy a mixture of nuts that weighs 6 pounds. He has $15.25 to spend on pecans and almonds.


Part A

Identify the two variables in the problem situation.


Part B

Write a system of two linear equations in two variables that could be used to determine the number of pounds of pecans and almonds Cody could purchase at the Nut Haus.

Answers

Answer:

Part A

The two variables are the amount of pounds that we dont know yet for the nuts and the almonds so we would have to put x for the amount of pounds for pecans and y for the amount of pound for nuts

Part B

2x + 4.50y = 15.25

Step-by-step explanation:

Step-by-step explanation:

x = pounds of pecans bought

y = pounds of almonds bought

x + y = 6

x×2 + y×4.5 = 15.25

x = -y + 6

(-y+6)×2 + y×4.5 = 15.25

-2y + 12 + 4.5y = 15.25

2.5y = 3.25

y = 3.25 / 2.5 = 3 1/4 / 2 1/2 = 13/4 / 5/2 = 13×2 / 4×5 =

= 26/20 = 13/10 = 1.3 pounds

x = -y + 6 = -1.3 + 6 = 4.7 pounds

Cody could buy 4.7 pounds of pecans and 1.3 pounds of almonds.

i'll mark brainiest if right answer

Answers

Answer: x=2  y=18

Step-by-step explanation

HELP ASAP 100 POINTS RIGHT ANSWER GETS BRAINLSIT

The sum of 3.25 and twice a number is −7.

What is the number?

Enter your answer as a decimal in the box.
n =

Answers

Answer:

3.25+n= -7

(-7)-3.25=(-10.25)

n=(-10.25)

Answer:

-5.125

Step-by-step explanation:

-5.125 x 2 = -10.35

-10.25 + 3.25 = -7

Expand & simplify
(4x + 7)(x – 5)

Answers

Answer:

(4^3−13−35)

Step-by-step explanation:

this ans

The answer is 4x^2-13x-35
I used distributive prop.

An angle that measures exactly 180° is known as a/an
angle.

Answers

Answer:

supplementary angle

Step-by-step explanation:

please Mark my answer in brainlist

Two step equation, I don’t know how to do the problem step by step. 3x+9=5. I know that the answer is -1 1/3 but I don’t know how

Answers

Answer:

Below

Step-by-step explanation:

1. 3x+9=5

2.  3x+9-9=5-9

3. 3x=-4

5. 3x/3=-4/3

6. -4/3

7. -1 1/3

Answer:

The answer is -4/3 or - 1 1/3

Step-by-step explanation:

3x+9= 5

    -9    -9

3x = -4

 /3    /3

Y= -4/3 or [tex]-1\frac{1}{3}[/tex]

Step 1: Add subtract 9 to both sides because you want to cancel out the 9 so you do the opposite of what is say's. For example, if it says 3x-9 add 9 or 3x+9 subtract 9 from both sides.

Step 2: Add subtract 9 to 5 which would be -4. So you should have 3x= -4 now

Step 3: Since you're "multiplying" 3 to x you're going to divide 3 to get Y by itself. So 3/3 cancels out and now you're left with y

Step 4: Divide 3 from -4 and you get -4/3

Let me know if you have any questions and I hope this helps :)

I need help in algebra

Answers

Answer: 8

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

How to solve

× + 5 = 13

subtract from both sides of the equation.

× + 5 - 5 = 13 - 5

13 - 5= 8

please give me brainliest and a thanks.

HELP HELP HELPP PLEASEDEEEE

what is 16% x 19
SHOW WORK PLEASEEEEEEE PLS PLS PLSSSSSSSS

Answers

Answer:

3.04

Step-by-step explanation:

16% is 0.16. Multiply 0.16 * 19 to get 3.04

Answer:

this last answer will come 304

A floor is covered by 800 tiles measuring 10cm^2. How many square tiles of side 8cm would be needed to cover the same floor

Answers

Answer:

125 square tiles

Step-by-step explanation:

(800*10)/8^2=8000/64=125

can someone please help me with this

Answers

Answer:

ABC = 113°

Step-by-step explanation:

If ABD is 70° and DBC is 43°

ABC is 70°+43° = 113°

If I need 2 teaspoons of oil for every 4 cups of flour to make 1 batch of
chocolate chip cookies, what would be the ratio I need to make 2 batches
of cookies. How many teaspoons of oil to how many cups of flour?

Answers

Answer:

2:4 or simplify and get 1:2

Step-by-step explanation:

2 tsp. of oil every 4 cups of flour.

-2(y+2)+6y Need help ​

Answers

Answer:

4y-4 Hope this helps! :)

Step-by-step explanation:


Let log p/n=8 and log m/n=5
What is the relationship between Pand M?
O A. P = 3M
O B. P = 1,000M
C. P= 100M
O D. P=0.001M

Answers

Answer:

B: p=1,000m

Step-by-step explanation:

"the product of negative three and x"​

Answers

-3x

That’s pretty much it

if you wake up at 7:00 a.m. and it takes you 1 hour and 30 minutes to get ready and walk to school at what time will you get to school

Answers

To solve this question we need to add 1hr 30mins onto 7:00 am:
1 hour later would be 8:00 am
30 mins later would be 8:30 am

You will get to school at 8:30 am
Hope this helps!
The answer is 8:30
If it’s 7:00 and an hour goes by is going to be 8:00 and when you add 30 minutes to 8:00 it would be 8:30

A small bowl of candy holds 75% as much as a large bowl of candy.
If the small holds 36 candy bars how much does the large hold?

Answers

Answer:

_____

Step-by-step explanation:

Im pretty sure it would be 45 ____

Pls Help! Will Mark Brainliest!!!

Answers

Step-by-step explanation:

it is a bit unclear to me how the cups are stacked on each other.

are we building a pyramid or is it really just one line of cups stacked into each other ? the equation suggests the latter. so, I will continue with that assumption.

then each additional cup really adds only the height of the rim to the total height of the cup tower.

so, we want to find out for what smallest x is the equation delivering as y value 32,400 or more.

32,400 = 2.4x + 13.6

let's get rid of the decimals by multiplying everything by 10.

324,000 = 24x + 136

323,864 = 24x

x = 323,864/24 = 13,494.33333...

so, we need 13,495 cups to reach its height (just rounding it to 13,494 would still leave a tiny gap, so we need the 13,495th cup - there is no way to reach the height exactly).

Find the perimeter. Simplify your answer.

Answers

Answer:

30y+14

Step-by-step explanation:

add the values of all the sides together: (5y+4) + (5y+4) + (10y+3) + (10y+3) = (5y + 5y + 10y + 10y) + (4 + 4 + 3 + 3)= 30y + 14

Rewrite the following equation in slope-intercept form. 20x − 11y = –17

Answers

Answer:

y = 20/11x +17/11

Step-by-step explanation:

Slope-intercept for: y=mx+b

20x -11y = -17

-11y = -20x -17           Subtract 20x on both sides

y = 20/11x + 17/11        Divide both sides by -11

solve for x in the triangle!!!

Answers

Answer:

13

Step-by-step explanation:

Combine all like terms:

14x-2

Since there are 180 degrees in a triangle, all three angles are going to equal 180.

14x-2=180

Add 2

14x=182

Divide by 14

x=13

I Will BE GIVING A BRAINLIST AND A FOLLOW BACK ONLY FOR THE ACCURATE ANSWERS PLEASE TAKE A LOOK AT MY WORKSHEET PLEASE ANSWER QUESTIONS 1-5 AND PROVIDE EXPLANATION .

Answers

Answer:

1. Recursive formula: b(n-1)+2

2. Explicit formula: −2n+5

3. -20

4. 2, 11, 20, 29, 38, 47, 56, 65, 74, 83, 92, 101, 110, 119, 128

Step-by-step explanation:

Subtract 27 from a number K

Answers

Answer:

K - 27

Step-by-step explanation:

You would have to subtract 27 from the number K, so it would be K - 27

Please solve this, i will mark brainliest

Answers

Answer:

[tex]k=-2[/tex]

Step-by-step explanation:

Let's write the left hand side as a negative power, and 9 as a power of 3:

[tex]3^-^k=3^2[/tex] At this point, for the equality to still stand, the exponents have to be equal:

[tex]-k = 2 \rightarrow k=-2[/tex]

(1/3)k = 9
3 -k = 3 2
-k=2
K=-2

If x= 4, find 6x- x^2.

Answers

Answer: 8

Step-by-step explanation: (6)(4)-4^2                                                                 24−4^2                                                                                                                       24−16                                                                                                                         8          

Admission to a science museum is $22 for an adult. The cost for a child is $5 less than the cost for an adult. What would be the total cost of admission for 12 adults and 15 children? Explain.

Answers

Answer:

The total cost is 519

Step-by-step explanation:

22x12=264 and 22-5=17 so 17x15=255

264+255= 519

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