3 years ago

Slope of -7 and y -intercept of 1

Mathematics

1 answer:

marysya [2.9K]3 years ago

7 0

The graph of y = 1 is a horizontal line at the value y = 1. The slope of a horizontal line is m = 0.

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The function y = -16x2 + 1500 gives a parachute jumper's height y in feet

earnstyle [38]

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Step-by-step explanation:

so the question is asking about the time from 1500 feet to 1100 feet. How long did they fall, w/o a parachute. aka "freefall" so, at 1500 feet the jumper is really at time zero. so, plug in to the formula

1100 = -16 $x^{2}$ +1500

( x represents seconds so i'll change it to t so we know it's time )

1100 = -16 $t^{2}$ + 1500

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25 = $t^{2}$ ( dividing both sides by -16 )

oh.. look at how nice that turns out.. :)

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