Use the quadratic formula to solve the problem.
A soccer player throws the ball onto the field from the sideline. An equation modeling the ball's flight is h = -16t2 + 18t + 2. In how many seconds will the ball reach the ground?
A. in about 2 seconds
B. in about 1.2 seconds
C. in about 1.8 seconds
D. Cannot be determined

Question

Use the quadratic formula to solve the problem.
A soccer player throws the ball onto the field from the sideline. An equation modeling the ball's flight is h = -16t2 + 18t + 2. In how many seconds will the ball reach the ground?
	A.	in about 2 seconds
	B.	in about 1.2 seconds
	C.	in about 1.8 seconds
	D.	Cannot be determined

anonymous · Answer

B. in about 1.2 seconds

anonymous · Answer

You gota set h=0 because the ball is on the ground. Then just simply plug in numbers using the quadratic formula to find T.