BIG IDEAS MATH
2015 > Chapter 9 > Quiz 9
A ball is kicked 5 feet above the ground with an initial vertical velocity of 50 feet per second.
The function h (t) = -16t2 + 50t + 5 represents the height h (in feet) of the ball after t
seconds. Using a graph, after how many seconds is the ball 32 feet above the ground? Round
your answers to the nearest tenth.
The ball is 32 feet above the ground after
second(s) and
second(s).
9