Algebra 1 Section 6.5 Graph linear inequalities in two variables.

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Presentation transcript:

Algebra 1 Section 6.5 Graph linear inequalities in two variables. Recall: A linear equation in two variables takes the form: ax + by = c A linear inequality in two variables takes the form: ______________ or __________________ The solution is a set of ordered pairs making up a __________.

Are the points (3,2) and (2,3) solutions of 4x + 7y < 26? Are the points (-3,5), (2,-1), and (0,-7) solutions of the system 2x – 3y < 12 ?

Graph the following inequalities 4x – 5y < 20 3x – y > 9

Graph the following inequalities ¼ x + ½ y < 1 x > 5

Graph the following inequalities 2y + 3 > 7 Write the inequality for the graph

assignment Page 363 Problems 16 – 64 even