How do I find y in the vertex of a quadratic function

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asked Jul 4, 2019 63.4k views

1 Answer

Guy Carmin · Answer 1 · 2019-07-08T18:48:44+0000

Get the equation in the form y = ax2 + bx + c.
Calculate -b / 2a. This is the x-coordinate of the vertex.
To find the y-coordinate of the vertex, simply plug the value of -b / 2a into the equation for x and solve for y.

How do I find y in the vertex of a quadratic function

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