Algebra 1 Section 6.1 Solve and graph linear inequalities Inequalities Verbal Algebraically Graphically Inequality signs > greater than < less than > greater.

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Presentation transcript:

Algebra 1 Section 6.1 Solve and graph linear inequalities Inequalities Verbal Algebraically Graphically Inequality signs > greater than < less than > greater or equal < less or equal All real numbers greater than three x < 7

A linear inequality takes the form: ax + b > c or ax + b < c Solve and graph 2x + 3 > 9 Transformations for inequalities 1.Add or subtract the same number from both sides. 2.Multiply or divide both sides by the same positive number. 3.Multiply or divide both sides by the same negative number and reverse the direction of the inequality sign.

Solve and graph x + 6 < 8 P – 12 > -1 -2x + 5 < 17

Solve and graph -2 + x < > -x/3 7 – 3x < 28

Page 338 # 61 You finish a three mile walking race in 27.5 minutes. Write an inequality that describes the average speed of a walker who finished after you did. rate = distance / time

assignment Page 337 Problems 22 – 64 even, 72,78