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Published byRalf Dean Modified over 6 years ago
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Multiplication and Division Property of Inequalities
When c is positive, if a > b, then a • c > b • c When c is negative, if a > b, then a • c < b • c
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If you multiply or divide an inequality by a negative number, reverse the inequality sign in the answer.
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Ex 1 Solve and graph -3y 12 -3 -3 y -4 -2 -6 -4 6 4 2
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Ex 2: Solve and Graph. 3y -15 y -5 -2 -6 -4 6 4 2
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Ex 3: You try :Solve and Graph
-2 -6 -4 6 4 2
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Ex4:
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Ex 5: You try
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Ex 6:
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Ex 7: You try
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Ex 8: > -0.7w
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Ex 9 : you try -1.5 <3n
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Homework Page 143 (10-34) even
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