maddy2319 maddy2319

27-10-2016
Mathematics

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

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mozarth11 mozarth11

27-10-2016

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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