Function/Not a Function & Linear/Nonlinear

Front

What is a function?

Back

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

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What is NOT a function?

Back

A relation where at least one input (x-value) has multiple outputs (y-values).

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What is the vertical line test?

Back

A method to determine if a graph represents a function; if a vertical line intersects the graph at more than one point, it is not a function.

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What is a linear function?

Back

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What is a nonlinear function?

Back

A function that does not graph to a straight line; examples include quadratic functions, exponential functions, etc.

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What is the slope of a line?

Back

The slope (m) is a measure of the steepness of a line, calculated as the change in y over the change in x (rise/run).

Front

What is the y-intercept?

Back

Front

What is a quadratic function?

Back

Front

What is an example of a linear function?

Back

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What is an example of a nonlinear function?

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