Slope of a Line

Slope of a Line - number (b). The x-axis or any line...

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Slope of a Line The  slope of a line  is a measurement of the steepness and direction of a nonvertical line. When a  line slants from lower left to upper right, the slope is a positive number. Item (a) in Figure 1 shows a  line with a positive slope. When a line slants from upper left to lower right, the slope is a negative 
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Unformatted text preview: number (b). The x-axis or any line parallel to the x-axis has a slope of zero; that is, a horizontal line has a slope of zero (c). The y-axis or any line parallel to the y-axis has no defined slope; that is, a vertical line has an undefined slope (d). Figure 1. Slopes of lines....
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