Write a quadratic equation

Question

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481

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Write a quadratic equation to represent a function with the following vertex. Use a leading coefficient other than 1 that will graph a parabola that opens down.
(100,200)

CPhill · Answer 1 · 2021-04-19T08:20:24

One possibility......

y = -2 ( x -- 100)^2 + 200

Expand

y = -2( x^2 - 200x + 10000) + 200

y = -2x^2 + 400x - 20000 + 200

y = -2x^2 + 400x - 19800