Unit 4: Quadratic Equations and Models Test Review

Factor this quadratic expression. Remember to enter answer below.

Factor this quadratic expression. Remember to enter answer below.

Factor this quadratic expression. Remember to enter answer below.

Solve this quadratic equation using the Quadratic Formula

The formula for throwing a baseball in the air is represented below, where h is the height of the ball. After how many seconds will the ball hit the ground? Fill in the blank: The baseball would hit the water at _____ seconds.

A rocket carrying fireworks is launched from a hill 80 feet 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 below. After how many seconds after it is launched will the rocket hit the lake?