7.5 notes - I need two axes because there are 2 variables....

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Section 7.5 Linear Inequalities 
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Objectives Understand the difference between a one  variable and two variable linear inequality Graph the solution for a two variable  linear inequality
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Review – Write each in y = mx + b 9 3 2 = - y x 6 3 = + x y ) 16 ( 4 3 8 + = - x y
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Remember when … These had one variable so we had a number line  for our graph (only 1 axis). If I want to solve             
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Unformatted text preview: I need two axes because there are 2 variables. What would my solution look like? 1 2 3 + + x x 1 3- x y Pick a test point so we know where to shade! 1 3- x y Now you try 1 2 +-< x y 12 8 6 + y x Now you try 9 3 4 -y x 3 y Homework # ___ p. 373 # (7-10) (12-22 even)...
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This note was uploaded on 05/16/2011 for the course ALGEBRA 098 taught by Professor Johnson during the Spring '09 term at Grand Valley State University.

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7.5 notes - I need two axes because there are 2 variables....

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