1300_section2o4 - Section 2.4 Equations of a Line Forms of...

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1 Section 2.4 – Equations of a Line Forms of Equations: 1. The standard form of a linear equation is given by C By Ax = + where A and B cannot both be equal to zero. Example: 5 4 2 = + y x 2. The point-slope form of a linear equation is given by ) ( 1 1 x x m y y - = - where m is the slope and the line passes through the point ( x 1 , y 1 ). Example: ) 5 ( 2 1 - = - x y 3. The slope-intercept form of a linear equation is given by b mx y + = where m is the slope and b is the y -intercept. Example: 1 2 + = x y 1. Find an equation for the line with a slope of 2 and a y -intercept 6. 2. Find an equation for the line with a slope of -4 and a y -intercept 5. 3. Find an equation for the line with a slope of -6 and passing through the point (0, 5). 4. Find an equation for the line that passes through the point (-2, 6) and has a slope 2 1 .
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2 5. Find an equation in point-slope form for the line that passes through the points (-5, 2) and (3, -2). 6.
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This note was uploaded on 02/20/2012 for the course MATH 1300 taught by Professor Staff during the Spring '08 term at University of Houston.

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1300_section2o4 - Section 2.4 Equations of a Line Forms of...

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