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4.1 Graphing Lines. Slope-Intercept form:. Point-Slope form:. Standard form:. Ex 1 : Write the equation of the line in slope-intercept form & sketch the graph. a) Slope = 2, y- int = 4 b) Slope = y- int = −1. Ex 2: Graph the equation:. Ex 3: Graph the equation:.
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Ex 1: Write the equation of the line in slope-intercept form & sketch the graph. a) Slope = 2, y-int = 4 b) Slope = y-int= −1
Horizontal Lines: • slope = m = 0 • y-intercept (0, b) • Vertical Lines: • slope = m is undefined • No y-intercept