A bottle rocket is launched straight up. Its height in feet (y) above the ground x seconds after launch is modeled by the quadratic function: y= -16x2 + 124x + 8. How many seconds did it take the rocket to strike the ground? O 8.59 seconds O 7.814 seconds o 7.31 seconds O 8.295 seconds

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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A bottle rocket is launched straight up. Its height in feet (y) above the
ground x seconds after launch is modeled by the quadratic function: y =
-16x2 + 124x + 8.
How many seconds did it take the rocket to strike the ground?
O 8.59 seconds
o 7.814 seconds
7.31 seconds
O 8.295 seconds
b n
Transcribed Image Text:A bottle rocket is launched straight up. Its height in feet (y) above the ground x seconds after launch is modeled by the quadratic function: y = -16x2 + 124x + 8. How many seconds did it take the rocket to strike the ground? O 8.59 seconds o 7.814 seconds 7.31 seconds O 8.295 seconds b n
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