SOLUTION: bob tosses his basketball onto the ground from his tree house he tosses the basketball with an initial downward velocity of 8 feet per second. the equation h = -16t^2-8t+20 represe

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Question 1112889: bob tosses his basketball onto the ground from his tree house he tosses the basketball with an initial downward velocity of 8 feet per second. the equation h = -16t^2-8t+20 represents the height h of the basketball aster t seconds. how long does the basketball take to hit the ground?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
h = -16t^2-8t+20
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h = -16t^2-8t+20 = 0
Solve for t. Ignore the negative solution.