3 years ago

A reflection of the pink triangle is shown. Which transformation makes this reflection?

2 answers:

7 0

The Answer is <span>B) (x', y') = (x, -y)
</span>
Explanation:

(x', y') = (x, -y) is correct. The y-values change signs, but the x-values remain the same.

EastWind [94]3 years ago

5 0

Answer:

(x, y) → (-x, y).

Step-by-step explanation:

(x, y) → (-x, y). is correct. For example, the point (-3, 5) on triangle 1 goes to (3, 5) on triangle 2.

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Answer:

So, the times the ball will be 48 feet above the ground are t = 0 and t = 2.

Step-by-step explanation:

The height h of the ball is modeled by the following equation

$h(t)=-16t^2+32t+48$

The problem want you to find the times the ball will be 48 feet above the ground.

It is going to be when:

$h(t) = 48$

$h(t)=-16t^{2}+32t+48$

$48=-16t^{2}+32t+48$

$0=-16t^{2}+32t+48 - 48$

$16t^{2} - 32t = 0$

We can simplify by 16t. So

$16t(t-2)= 0$

It means that

16t = 0

t = 0

t - 2 = 0

t = 2

So, the times the ball will be 48 feet above the ground are t = 0 and t = 2.

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