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# 3.1: Even and Odd Identities

Difficulty Level: At Grade Created by: CK-12
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Practice Even and Odd Identities

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Estimated6 minsto complete
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Estimated6 minsto complete
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MEMORY METER
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### Vocabulary Language: English

Even Function

An even function is a function with a graph that is symmetric with respect to the $y$-axis and has the property that $f(-x) = f(x)$.

Odd Function

An odd function is a function with the property that $f(-x) = -f(x)$. Odd functions have rotational symmetry about the origin.

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