Solve the following problem involving a quadratic equation. Round to the nearest tenth if necessary.An emergency signal flare is shot in the air from the ground. The height, h, in feet above the ground, of the flare t seconds after being fired can be modeled by h = -16t2 + 96t. At what time will the flare hit the ground? (Hint: The height on the ground is zero.)
A. The flare will hit the ground 6 sec after being fired.
B. The flare will hit the ground 80 sec after being fired.
C. The flare will hit the ground 3 sec after being fired.
D. The flare will hit the ground 96 sec after being fired.
Answer: A
Mathematics
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