2-10 Solving Inequalities by Multiplying or Dividing

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Presentation transcript:

2-10 Solving Inequalities by Multiplying or Dividing What You’ll Learn To solve inequalities by dividing To solve inequalities by multiplying

Example 1: Solving inequalities by Dividing Solve – 3y < -27 -3y < -27 -3y/3 > -27/-3 y > 9 Divide each side by -3 Reverse the direction of the symbol Because dividing by a negative simplify

Solve and graph each inequality - 8m > -24 7n > - 21

Solve Inequalities by Multiplying Solve y/-8 > 2 y / -8 > 2 y / -8 * - 8 < 2 * - 8 y < - 16 Multiply each side by – 8 Reverse sign Because multiplying by a negative Simplify

Solve and Graph Inequalities k / -5 < - 4 p / - 7 > 6 m / 9 < - 6 Practice: Text page 119 # 4-19 Assign Practice 2-10 Review for test Re 2-8 to 2-10 Test Move to slope form