Data Fin/Lit: Semester Exam

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What is an inverse variation?

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What is a function?

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A function is a relation where each input (x) has exactly one output (y).

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What is a quadratic function?

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How do you determine if a set of ordered pairs represents a function?

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A set of ordered pairs represents a function if no two pairs have the same first element (x value).

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What is the vertex of a quadratic function?

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The vertex is the highest or lowest point of the parabola represented by the quadratic function.

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What is the standard form of a linear equation?

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What does it mean for two variables to vary directly?

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What is the discriminant in a quadratic equation?

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