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

User YPennylane
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1 Answer

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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.
User Guy Carmin
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