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| Math Central | Quandaries & Queries |
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Question from Monica:A parabolic curve on a bridge how do i find the formula for my parabola with the provided information: |
Hi Monica,
The parabola is symmetric around the Y-axis, has vertex at the origin and a point on the parabola has a positive Y-coordinate so I know that it opens upward and its equation is of the form $y = a \; x^{2},$ where $a$ is positive.
Use that fact that the point $(343,160)$ lies on the curve to determine that value of $a.$
Penny
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