Linear Models and Rates of Change

# Linear Models and Rates of Change - Point-slope form y –...

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Linear Models and Linear Models and Rates of Change Rates of Change Section P.2

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Defn. of Slope of a Line Defn. of Slope of a Line The slope m of a nonvertical line passing through the points (x 1 , y 1 ) and (x 2 , y 2 ) is 2 1 1 2 1 2 , x x x x y y x y m - - = =
Summary of Eqns of Lines Summary of Eqns of Lines 1. General form: Ax + By + C = 0 2. Vertical line: x = a 3. Horizontal line: y = b 4.

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Unformatted text preview: Point-slope form: y – y 1 = m(x – x 1 ) 5. Slope-intercept form: y = mx + b Parallel & Perpendicular Parallel & Perpendicular Lines Lines 2 nonvertical lines are parallel if their slopes are equal ( m 1 = m 2 ). 2 nonvertical lines are perpendicular if their slopes are negative reciprocals. 2 1 1 m m-=...
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Linear Models and Rates of Change - Point-slope form y –...

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