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A fireworks rocket is shot vertically up in the air. The quadratic function h(t) = −16t^2 + 176t models the height of the rocket above the ground after t seconds. How long does …
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A fireworks rocket is shot vertically up in the air. The quadratic function h(t) = −16t^2 + 176t models the height of the rocket above the ground after t seconds. How long does …
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Mar 23, 2019
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A fireworks rocket is shot vertically up in the air. The quadratic function h(t) = −16t^2 + 176t models the height of the rocket above the ground after t seconds. How long does it take for the rocket to return to the ground? HELP ASAP
3 seconds
7 seconds
11 seconds
15 seconds
Mathematics
high-school
Rayee Roded
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Hi there!
The answer would be 11 seconds.
Hope it helps you :)
Pham Trung
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Mar 24, 2019
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Pham Trung
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Hi there! The answer is 11 seconds.
We want to find out when the height of the rocket equals 0 (because then it'll be on the ground). When we know this we can set up an equation.
Therefore the rocket will be returned in the ground after 11 seconds.
Weloytty
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Mar 28, 2019
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Weloytty
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