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The vocab on Collazo's test on 2/16.

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Two variable equation

An equation in which the value of one variable is dependent upon the other variable

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Abscissa

The x coordinate of an ordered pair

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Ordinate

The y coordinate of the ordered pair

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Linear Equation

An equation that can be put in standard form (Ax+By=C) and A, B, and C are integers,

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Slope

The measure of the steepness of a line

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Point Slope Form

y-y₁=m(x-x₁)

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Relation

a set of ordered pairs

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Domain

the set of first (x) coordinates of a relation

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Range

The set of second (y) coordinates of a relation

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Function

A relation in which different ordered pairs have different first (x) coordinates

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Direct Variation

an equation in the form of y=kx and where k is a non-zero constant

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Inverse Variation

y=k/x or xy=k and x is not equal to 0

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k (in terms of direct variation)

- called constant of variation

- called constant of proportionality

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k (in terms of inverse variation)

called constant of variation

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Slope Formula

m = (y2 - y1) / (x2 - x1)

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x-axis

The horizontal number line in the coordinate plane

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y-axis

The vertical number lone in the coordinate plane

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Quadrant

The four sections the x,y axes divided the coordinate plane into