Question

If an object is dropped from a height of 144 feet, the function h(t)=-16t^2 + 144 gives the height of the object after t seconds. When will the object hit the ground?

Answer 1

A. 9 s
B. 6 s
C. 1.5 s
D. 3 s

Answer 2

h(t)=-16t^2 + 144 is this formula right?

Answer 3

Yes thats the right formula @febylailani

Answer 4

Here, you can set it equal to zero and factor.

Answer 5

I think the answer is D

Answer 6

You'd be correct.

Answer 7

Thanks!

Answer 8

oooh.. sorry, he's 1st xD