Mathematics Concepts and Definitions

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solution

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an ordered pair (x, y) that makes a linear equation true; a point that lies on the line

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y-intercept

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the y-coordinate of a point where a graph crosses the y-axis

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function

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a relation in which each element of the domain (input) is paired with exactly one element of the range (output)

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input

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the set of x-coordinates in a relation

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linear function

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a function in which the graph of the solutions forms a line

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nonlinear function

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A function whose rate of change is not constant. The graph of a nonlinear function is not a straight line.

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output

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the set of y-coordinates in a relation

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vertical line test

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A test used to determine whether a relation is a function by checking if a vertical line touches 2 or more points on the graph of a relation

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Like terms

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Expressions that contain the same variables to the same power

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system of equations

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a set of two or more equations containing the same variables