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Finding a quadratic function given minimum value, line of symmetry and y-intercept.

Find quad function for function with a min value of -22100, line of symmetry of x=140, and y-intercept of (0,-2500). I got that the vertex would be (140,-22100)..right? Can someone lead me in the right direction to find the quadratic function?

Solution Preview

For a quadratic function, you can always write it as

y-y0=a(x-x0)^2

Now the line of symmetry will give you x0 value, ...

Solution Summary

A quadratic function is found given minimum value, line of symmetry and y-intercept. The response received a rating of "5" from the student who originally posted the question.

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