| Help with math, I just don't understand, 4x^2 - 12 - 64 = 0?
4x^2 - 12x = 64 round the answer to the nearest hundredth.
Suppose a model rocket is launched from a platform 2 ft above the ground with an initial upward velocity of 100 ft/s. After how many seconds will the rocket hit the ground? Round the solution to the nearest hundredth.
a) 4.67 seconds
b) 6.27 seconds
c) 46.71 seconds
d) 62.71 seconds
Thank you so much to anybody who helps!
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