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1. Write the inequality 5.2 Opener 2. Write the inequality for the statement. 3. Solve the inequality. 4. How many pounds of pumpkins does the state of Illinois grow each year? The sum of 8 and a number is at most 12. x > -3 x + 8 ≤ 12 z < -3 427 million pounds
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5.1 Homework Review HW: p. 286-287 6-10 even, 20-28 even, 30-36 even, 46-50 even
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5.2 Solving Inequalities by Multiplication and Division Multiplication Property of Inequalities If you multiply both sides of an inequality by the same POSITIVE number the resulting Inequality is true. If you multiply both sides of an inequality by the same NEGATIVE number the inequality sign must be reversed to make the resulting inequality also true. (2) 6 > 3 (2) (-2) 6 > 3 (-2)
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5.2 Solving Inequalities by Multiplication and Division Let’s do some work!
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5.2 Solving Inequalities by Multiplication and Division Division Property of Inequalities If you divide both sides of an inequality by the same POSITIVE number the resulting Inequality is true. If you divide both sides of an inequality by the same NEGATIVE number the inequality sign must be reversed to make the resulting inequality also true. 8/2 > 2/2 8/(-2) > 2/(-2)
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5.2 Solving Inequalities by Multiplication and Division Let’s do some work!
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5.2 Solving Inequalities by Multiplication and Division
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Mario purchases a prepaid phone plan for $50. He is charged $0.13 per minute. How many minutes can Mario talk on this plan?
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