for this question, replace h = 240 into the given equation and solve for t.
240 = -16tsquared + 128t
-240 -240
0=-16tsquared+180t-240
solve for t by using quadratic formula or by regrouping.
goodluck
The height of an object projected upward from ground level is given by h=-16t squared + 128t. When will the object be 240 feet above the ground? (Please provide steps/explanation to solve this problem.)
2 answers
Thanks for the help. :)