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Published byBenjamin Caldwell Modified over 4 years ago

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Slope of a Line Slope basically describes the steepness of a line Free powerpoints at http://www.worldofteaching.comhttp://www.worldofteaching.com

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If a line goes up from left to right, then the slope has to be positive Conversely, if a line goes down from left to right, then the slope has to be negative

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Definitions of Slope Slope is simply the change in the vertical distance over the change in the horizontal distance

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The formula above is the one which we will use to find the slope of specific lines In order to use that formula we need to know, or be able to find 2 points on the line

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If a line is in the form Ax + By = C, we can use the following formula to find the slope:

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Examples

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Horizontal lines have a slope of zero while vertical lines have no slope HorizontalVertical m = 0 m = no slope

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Slopes and Parallel Lines Goals: To find slopes of lines To identify parallel lines To write equations of parallel lines.

Slopes and Parallel Lines Goals: To find slopes of lines To identify parallel lines To write equations of parallel lines.

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