SOLUTION: Can someone please help me out, howevever i am not good in algebra at all, especially word problems. A ball is thrown vertically upward from the ground. |Its distance in feet f

Question 417597: Can someone please help me out, howevever i am not good in algebra at all, especially word problems.
A ball is thrown vertically upward from the ground. |Its distance in feet from the ground in t seconds is s= -16t to the second power +96t. After how many seconds will the ball be 128 feet from the ground?
_________ seconds
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!

It will help to think of the equation this way:
Gravity acts in a downward direction, so the term
is the only thing that can represent gravity.
The other term is the only thing that can represent
the distance caused by the upward throwing force.

Divide both sides by

Use quadratic formula

sec (the other root gives a negative for )
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