
Home > CCG > Chapter 12 > Lesson 12.2.4 > Problem 12-102
12-102.
Perry threw a tennis ball up into the air from the edge of a cliff. The height of the ball was
How high was the ball when it was thrown? How do you know?
Substitute
in for . What was the height of the ball
seconds after it was thrown? What was its height a second after it was thrown? Show all work. Use the same method you used to solve part (a).
ft 8 ft When did the ball hit the ground? Write and solve an equation that represents this situation.
If the ball hits the ground, what is its height above the ground?
seconds