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sp2606 [1]
3 years ago
13

When using quadratics to model parabolic motion, which value represents the time at which the object falls to the ground? x-inte

rcept y-intercept axis of symmetry vertex
Mathematics
1 answer:
morpeh [17]3 years ago
8 0

Answer:  x-intercept

<u>Step-by-step explanation:</u>

NOTES

1) Parabolic motion is represented by the equation:

   h(t) = -9.8t² + vt + h   (in meters per second²), v is velocity

   or

   h(t) =  -32t² + vt + h   (in feet per second²),  v is velocity

2) The x-axis is time (in seconds) & the y-axis is height (in meters or feet).

Since you want to know what time the object hit the ground, h = 0

Therefore, you are looking for the zero of the equation, which is on the x-axis, thus is the x-intercept.

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5/4

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2 years ago
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