Quadratic Vocabulary

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Quadratic Equation

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An algebraic equation where the highest power variable is 2, meaning it includes a term with x².

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Vertex Form

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y = a(x-h)² + k

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Parabola

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The graph of a quadratic function.

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Vertex

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Maximum

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The highest point of a downward opening parabola.

The y value of the vertex.

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Minimum

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The lowest point of an upward opening parabola. The y value of the vertex.

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Quadratic Standard Form

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f(x)=ax² + bx + c

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Coefficient

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A number attached in front of a variable that represents the multiplication of that term.

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Constant

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A number or symbol that has a fixed value that does not change in an expression.

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Quadratic Parent Function

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f(x)=x²