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Home  Real and Hyperreal Numbers Straight Lines Examples Example 1: Point-slope Equation |
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Example 1: Point-slope Equation
The line through the point P(-1, 2) with slope m = -½ (Figure 1.3.3) has the point-slope equation y - 2 = (x - (-1)) · (-½), or y - 2 = -½(x + 1). The slope-intercept equation is y = -½x + 1½
Figure 1.3.3
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Last Update: 2006-11-15