2 years ago

What is the vertex of the graph of the function f(x) = x² + 8x - 2?

Mathematics

1 answer:

chubhunter [2.5K]2 years ago

6 0

Answer:

(4, -18)

Step-by-step explanation:

First Use this formula for the x -axis -b/2a

-8/2(1) is -4

Then plug in -4 to the equation

(-4)^2+8(-4)-2 = -18

You might be interested in

What's the part of an expressions that are added or subtracted

kondor19780726 [428]

We can add or subtract integer. We can also subtract like terms.

8 0

3 years ago

Can y’all help me with this?

77julia77 [94]

Answer:

BBBBB

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

5 friends need to split 4 candy bars how much does each friend get

Nady [450]

Answer: 4/5

Step-by-step explanation:

1. split each candy bar into fifths

2. 20 pieces total

3. 20 ÷ 5 = 4

4. So each person gets 4 pieces (4/5)

8 0

3 years ago

Tony separates a number of paintbrushes, x, into 3 equally sized groups. He claims that this is the same as making a group 1/3 t

DochEvi [55]

Answer:

Size of each group = $\frac{x}{3}$

Step-by-step explanation:

Total number of paint brushes = x

Since each the three groups are equally sized, to get the number of paintbrushes in a group, we will have to divide the total number of paint brushes by 3

∴ We have, number of paint brushes in a group = $\frac{Total number of paintbrushes}{3}\\$

= $\frac{x}{3}$

this is also the same thing as saying $\frac{1}{3}$ × $\frac{x}{1}$

This shows that the size of the new group is the same as $\frac{1}{3}$ the size of the original group

4 0

3 years ago

The domain of the following relation R {(3, −2), (1, 2), (−1, −4), (−1, 2)} is

LUCKY_DIMON [66]

Given:
3, -2
1, 2
-1, -4
-1, 2

The format is (x,y)

The domain is all the x-values while range is all the y-values.

domain: (3,1, -1,-1) 2nd option given.

4 0

3 years ago