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Unformatted text preview: Math 1300 Section 2.4 Notes 1 Graphing Lines: The graph of an equation of the form B Ax y + = is a line. If A > 0, then the graph will RISE as we move from left to the right. If A < 0, then the graph will FALL as we move from left to the right. Below is the graph of 2 3 + = x y . Example 1: Graph the line 1 2 = x y . Fill in the missing x or y values in each row. x Y1 0 1 Math 1300 Section 2.4 Notes 2 Example 2: Graph the line 2 4 + = x y . Fill in the missing x or y values in each row. x y1 0 1 5 4 Example 3: Fill in the table for 8 4 = x y x y1 0 1 0 4 Math 1300 Section 2.4 Notes 3 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 pointslope 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 )....
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 Spring '08
 Staff
 Math, Elementary algebra

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