Quadratic Word Problems (Projectiles) Quiz

In Projectile Motion Quadratic Word Problems, what does the x-value always represent?

• Time

• Height

• Distance

• Total

In Projectile Motion Quadratic Word Problems, what does the y-value always represent?

• Time

• Height

• Distance

• Total

A rocket carrying fireworks is launched from a hill above a lake. The rocket will fall into the lake after exploding at its maximum height. The rocket's height above the surface of the lake is given by the function  $h\left(t\right)=-16t^{2\ }+64t+80.$  What is the initial height of the rocket? (only write the number)

• 144 ft.

• 1232 ft.

• 272 ft.

• 264 ft.

• 36 ft.; No

• 38ft.; No

• 44 ft.; Yes

• 42 ft.; Yes

• 1.36 seconds

• .78 seconds

• 1.77 seconds

• 1.21 seconds