Liz N.

asked • 11/02/20

confusing and i need help with this math

Images for 8.) MULTI-STEP PR 3 “10 LEM Although a football field appears to be flat, its surfaces actually shaped like a parabola so that rain runs off to both sides. The cross section of a field with synthetic turf can be modeled by y O.000294x (x where x and y are measure din feet

a. What is the field's width?

b. What is the maximum height of the field's surface?


Mark M.

What do you mean by "modeled by y O.000294x"?
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11/02/20

Liz N.

Although a football field appears to be flat, its surface is actually shaped like a parabola so that rain runs off to both sides. The cross-section of a field with synthetic turf can be modeled by
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11/03/20

Liz N.

y= -O.000294x(x-160)
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11/03/20

William W.

I suspect the equation is y = -0.000294x^2 plus something where x is measured from the center of the field but please clarify. We can't help without that information.
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11/03/20

Mark M.

y = -0.000294x^2 is a downward opening parabola with the maximum at (0, 0).
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11/03/20

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