1300_section2o3 - Section 2.3 Slope and Intercepts of a...

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1 Section 2.3 – Slope and Intercepts of a Line: The slope, m , of a line that passes through the points ( 29 1 1 , y x A = and ( 29 2 2 , y x B = is given by the slope formula : run rise x x y y m = - - = 1 2 1 2 . 1. What is the slope of the line between points ( 29 3 , 1 - = A and ( 29 2 , 0 = B . 2. What is the slope of the line between points ( 29 5 , 2 - = A and ( 29 5 , 1 = B . Positive Slope Negative Slope Zero Slope Undefined Slope
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2 3. What is the slope of the line between points - - = 3 1 , 1 A and - = 3 2 , 3 B . 4. What is the slope of the line between points ( 29 3 , 2 - = A and ( 29 8 , 2 = B . 5. What is the slope of the line between points ( 29 9 , 4 - = A and ( 29 0 , 1 - = B . The x -coordinate of the point where a line intersects the x -axis is called the x -intercept. It is found by setting y = 0 in the equation of the line and solving for x . The
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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_section2o3 - Section 2.3 Slope and Intercepts of a...

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