H=39t-5t2 find all the values of t for which the rockets hight is 22 meters

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asked Dec 4, 2017 51.9k views

1 Answer

Vahid Kharazi · Answer 1 · 2017-12-08T08:52:41+0000

I believe that for this question you will use the quadratic equation which is: (-b +/- sqrt(b^2-4(a)(c))/2a Plug in -5=a, 39=b, 22=c and that should give you 2 answers for t.

H=39t-5t2 find all the values of t for which the rockets hight is 22 meters

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