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Unformatted text preview: 2). ex. Show that the line segments PQ and QR are perpendicular, where P = (0 ; 6), Q = (1 ; 1) and R = (11 ; 3) : Linear Equations Consider a line containing P 1 ( x 1 ;y 1 ) and P 2 ( x 2 ;y 2 ). Slope PointSlope Form of the equation of a line SlopeIntercept Form of the equation of a line ex. Find the line with y ± intercept 6 that is parallel to 2 x + y + 4 = 0. ex. Find the equation of the line through the point ( ± 2 ; 3) which is perpendicular to the line 6 x ± 4 y = 9. Write in general form. SecondDegree Equations ex. Find the center and radius of the circle: 16 x 2 + 16 y 2 + 8 x + 32 y + 1 = 0 ex. Sketch the graph of the curve given by x 2 ± y ± 4 x + 3 = 0 6? ± x y Additional Example Solve and graph the solution set: ± 3 < 1 x ² 1...
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 Spring '08
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