At the beginning of every football game, the referee flips a coin to see who will kick off. The equation that gives the height (in feet)of the coin tossed in the air is . To find the times at which the coin is
feet above the ground we substitute
for h in the equation, giving us
. Solve this equation for t to find the times at which the coin is
feet above the ground.
t = __________ seconds
Correct Answer:
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