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lyudmila [28]
3 years ago
8

H = -16t2 + 64t + 80 Determine the maximum height of the rocket. Show your work.

Mathematics
1 answer:
Lesechka [4]3 years ago
3 0
H = -16t² + 64t + 80 (:16)
H = -t² + 4t + 5
/\ = b²-4ac
/\ = 4²-4.(-1).5
/\ = 16+20
/\ = 36
Yv = -/\ / 4a
Yv = -36/4.(-1)
Yv = -36/-4
Yv = 9
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