Section 2.3 LinearEquations-Forms

Y1 y0 1 the slope of l is the number m x1 x0 2 the

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Unformatted text preview: f L is the number m = . x1 − x0 2 The slope-intercept form of L is y = mx + b where b is the y -intercept of L. 3 The point-slope form of L is y − y0 = m(x − x0 ). 4 The standard form of L is ax + by = c for some constants a, b , and c , with a and b not both zero. Outline Three Forms of a Linear Equation Graphing Linear Equations The Point-Slope Form of a Line Applications The Slope-Intercept Form and Graphing The slope-intercept form of a line is convenient for graphing the line. We read off the y -intercept and plot it. The slope describe...
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