Inactive Tutor answered • 11/20/16
Tutor
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6 = -4.0t2 + 8.1t + 3
0 = -4.0t2 + 8.1t - 3
0 = 4.0t2 - 8.1t + 3
Can you solve for t using the Quadratic Formula.
Rachel A.
asked • 11/20/16Quadratic Word problem
A toy rocket is launched form a 3m platform, at 8.2m/s. The height of the rocket is modelled by the equation h=-4.0t^2+8.1t+3 where h is the height, in metres, above the ground and t is the time, in seconds.
After how many seconds will the rocket rise to a height of 6m above the ground?
After how many seconds will the rocket rise to a height of 6m above the ground?
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