Question 828604
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given:
(45, 5280/2)=(45, 2640)
(198, 1416)
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to solve the linear equation, copy and paste this (the two given points):
45, 2640, 198, 1416
into the "Two-Point form: x1 y1 x2 y2" input box here: https://sooeet.com/math/linear-equation-solver.php
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answer:
x-intercept = (375, 0)
y-intercept = (0, 3000)
slope = -8
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the slope-intercept form:
y = -8x + 3000
where:
x = time in seconds
y = altitude in feet
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0 = -8x + 3000
8x = 3000
x = 375
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7*60 - 375 = 45
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answer:
she will be on the ground in 375 seconds (or 6 minutes and 15 seconds), which means that her descent time will be 45 seconds less than than her prediction.
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