IA_GPS_9 - a) 3 x = b) 2 y ! = 2. Does the point (2,48) lie...

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R0907 a.s. http://faculty.valencia.cc.fl.us/ashaw INTERMEDIATE ALGEBRA GPS # 9 2.4 EQUATIONS OF LINES AND LINEAR MODELS NAME: Useful Guidelines: * The slope-intercept form of the equation of a line with slope m and y -intercept b is b mx y + = * The point-slope form of the equation of a line with slope m passing through the point 1 1 ( , ) x y is ) ( 1 1 x x m y y ! = ! * The standard form of the equation of a line: c by ax = + * Two lines with the same slope are parallel: 2 1 m m = * Two lines with nonzero slopes 1 m and 2 m are perpendicular when 1 2 1 ! = " m m or 1 2 1 m m ! = . 1. Graph the equation. What is the slope?
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Unformatted text preview: a) 3 x = b) 2 y ! = 2. Does the point (2,48) lie on the line 8 20 + = x y ? 3. Using the point-slope form to find an equation of the line that satisfies the given conditions. Write the equation in slope-intercept form and in standard form . a) Through (6, 1); slope 1 3 ! b) Through (-3,-2); slope 4 3 ! 4. Find an equation of the line passing through the point (-2, 4) and a) parallel to the line 3 5 10 x y + = b) perpendicular to the line 3 5 10 x y + = [Write each equation in slope-intercept form .]...
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This note was uploaded on 10/18/2011 for the course MAC 1103 taught by Professor Shaw during the Summer '11 term at Valencia.

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