Question

a ball is thrown upward from a height of 100ft with an initial velocity of 80 ft/sec the height of the ball t seconds later is given by h=-16t^2+80t+100
(A.) how long will it take for the ba;; to hit the ground
(B.) after how many seconds is the ball 150 feet above the ground.
(C.) Does the ball ever reach a height of 250ft?

Answer 1

@AriPotta do you know

Answer 2

@chahnatailor do you know

Answer 3

@JakeV8

Answer 4

lol^

Answer 5

@dpaInc do you know

Answer 6

@HelpWanted do you know?

Answer 7

@chahnatailor do you know

Answer 8

@Schrodinger Do you know how to do this?

Answer 9

a) solve 0=-16t^2+80t+100
for t
b) solve 150=-16t^2+80t+100
for t
c) see if there are any real solutions to 250=-16t^2+80t+100

use the quadratic formula for all of the parts.