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**Unformatted text preview: **Lesson 19 Slope: - A ratio (fraction) that compares the vertical change ( ) to the horizontal change ( ) when moving from one point to another - Denoted symbolically by - - vertical change ( ) is the difference between the -coordinates - horizontal change ( ) is the difference between the -coordinates Point-slope form: - an equation for a line passing through a point ( ) with a given slope ( ) ( ) Slope-intercept form: - an equation for a line with a given slope and a -intercept ( ) ; the result of solving a linear equation for the variable General form of a linear equation: Point-slope form is used to find the equation of a line; slope-intercept form and general form are used to express the equation of a line....

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