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In mathematics, the slope or gradient of a line is a number that describes both the direction and the steepness of the line

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The domain of a function is the complete set of possible values of the independent variable

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A coordinate plane is an important tool for working with these equations. It is formed by a horizontal number line, called the x-axis, and a vertical number line, called the y-axis. The two axes intersect at a point called the origin.

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a statement that the values of two mathematical expressions are equal (indicated by the sign =)

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The x-intercepts are where the graph crosses the x-axis, and the y-intercepts are where the graph crosses the y-axis

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A graphing calculator is a handheld computer that is capable of plotting graphs, solving simultaneous equations, and performing other tasks with variables

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Table. more ... Information (such as numbers and descriptions) arranged in rows and columns. This is a table of what sport people play. Data, Probability and Statistics.

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An Algebraic picture

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the real values of y for a function

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A scenario

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In the equation of a straight line (when the equation is written as "y =mx+b