SOLUTION: my equation is 9x squared + 6x=-1 please explain this to me...or even this one h= -16t squared + 40t where t is the time in seconds and h is the height of the ball. will the ball e

Question 462474: my equation is 9x squared + 6x=-1 please explain this to me...or even this one h= -16t squared + 40t where t is the time in seconds and h is the height of the ball. will the ball ever reach 22 feet?
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

.........factor

...->.....->......double solution

... where is the in seconds and is the of the ball.

will the ball ever reach ?
....solve for

find positive solution...time cannot be negative

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