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Lesson 6-2 Objective: Solve inequalities using multiplication or division.

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Example 2-4a 12 s ≥ 60 12 s ≥ 5

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Example 2-1a < 12 g 3 (3) g < 36 Multiply both sides by 3

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Example 2-1b Answer: n ≤ 12Answer: p < 4

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RULE: When multiplying or dividing by a switch the direction of the inequality symbol: When multiplying or dividing by a negative number, switch the direction of the inequality symbol: EX: EX: ≥ becomes ≤ ≥ becomes ≤

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Example 2-5a -8 q < 136 -8 q > -17 Since we divided by -8, switch the !

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Example 2-2a Multiply both sides by the reciprocal Since we multiplied by – 4/3, switch the ≤ to ≥ ! d ≥ -8

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Example 2-5b. Answer: z < -16Answer: m ≤ -9

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Example 2-6a Multiple-Choice Test Item Which inequality does not have the solution x > 6? A BCD

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Example 2-6a A. D. C. B. Answer:B

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Lesson 6-2, p. 329 #13-18 all 20-32 even, 46 Due TODAY. Turn into the tray when done! Make sure your name is on it! Assignment:

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