All categories

3 years ago

What is the function y=2(x-4)^2-2 written in standard form

Mathematics

1 answer:

elena-s [515]3 years ago

3 0

Answer:

$y = 2(x - 4) {}^{2} - 2 \\ y = 2x {}^{2} - 8 {}^{2} - 2 \\ y = {2x}^{2} - (8 \times 8) - 2 \\ y = {2x}^{2} - 64 - 2 \\ y = {2x}^{2} - 66 \\ \\$

You might be interested in

Pleaseeeee helppppppppp

sweet-ann [11.9K]

Answer:

90°

Step-by-step explanation:

i hope dis helpjjdjdjdjdjdjdjducfh

8 0

3 years ago

34.

poizon [28]

Answer:

The lateral surface area of the triangular prism is 379.5sq units

Step-by-step explanation:

The side lengths of the base of the triangular prism are 5 meters, 8 meters, and 10 meters.

It is given that the height of the prism is 16.5 meters.

To determine the lateral surface area of the prism, let us use the formula

where a, b,c are the side lengths of the base of the triangular prism and h is the height of the prism.

Here and

Substituting these values in the formula, we have,

Simplifying, we get,

Multiplying, we get,

Thus, the lateral surface area of the triangular prism is

6 0

3 years ago

Read 2 more answers

Xanthia can read 100 pages per hour and Molly can read 50 pages per hour. If they each read the same book, and the book has 225

Talja [164]

Answer:

135 minutes

Step-by-step explanation:

Let

y -----> the number of pages to finish reading the book

x ----> the number of hours

we know that

The linear equation in slope intercept form is equal to

$y=mx+b$

where

m is the unit rate or slope of the linear equation

b is the y-intercept or initial value

In this problem we have

<em>Xanthia</em>

$m=100\ pages/hour$

$b=225\ pages$

$y=-100x+225$ ----> the slope is negative because is a decreasing function

For y=0

substitute and solve for x

$0=-100x+225$

$100x=225$

$x=2.25\ hours$ ---> Xanthia's time to finish reading the book

<em>Molly</em>

$m=50\ pages/hour$

$b=225\ pages$

$y=-50x+225$ ----> the slope is negative because is a decreasing function

For y=0

$0=-50x+225$

$50x=225$

$x=4.5\ hours$ --- Molly's time to finish reading the book

To find out how many more minutes than Xanthia would it take for Molly to finish reading the book, subtract Xanthia's time from Molly's time

$4.5\ h-2.25\ h=2.25\ h$

Convert to minutes

Multiply by 60

$2.25\ h=2.25(60)=135\ minutes$

4 0

3 years ago

Read 2 more answers

Can someone please help me with this?

Bad White [126]

I can’t see it sorry

7 0

3 years ago

Read 2 more answers

Kianna has $2.83. Avery has $5.18.

g100num [7]

Answer:

26.7

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers