Question

In football, the height of the football reached during a pass can be modeled by the equation h = -16t^2 +28t +6. h is height and t is time in seconds. How long does it take for this ball to reach height of 12 feet? solve graphically and algebraically. Please help!

Answer 1

-16t^2 +28t +6 = 12
solve for t

Answer 2

i know but what are the steps?

Answer 3

subtracted by 12 from both sides, what u get then ...

Answer 4

ohh okay thanks!!!!!!!!!!!

Answer 5

did u get it ...

Answer 6

i got 1/4 and 3/2?

Answer 7

i got like yours too
that's correct :)

Answer 8

yay :D

Answer 9

but that's just algebraically :)

Answer 10

oh yeah >.<