SOLUTION: h=-16t^2+112t+144.Where t is the time in seconds after it was propelled. when does it hit the ground?

SOLUTION: h=-16t^2+112t+144.Where t is the time in seconds after it was propelled. when does it hit the ground?

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Question 321477: h=-16t^2+112t+144.Where t is the time in seconds after it was propelled. when does it hit the ground?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Hint: It hits the ground when h=0. So plug this in to get and use the quadratic formula to solve for 't'.
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