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One Step Equations and Inequalities Review
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Remember: Addition and subtraction are inverse operations and multiplication and division are inverse operations!!! What does that mean??? When given a multiplication problem divide When given a division problem multiply When given an addition problem subtract When given a subtraction problem add Review
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Review So……… What is my inverse operation for multiplication?
What is my inverse operation for division? What is my inverse operation for subtraction? What is my inverse operation for addition? Review
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Review Which operation are the following problems using??? 5m = 98
k = -19 8 9 – t = 64 j + 4 = -14 Review
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Decide the inverse operation you will use to solve for each variable:
8x = 87 9 + m = -17 m = -68 8 k – 6 = -3 Review
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Remember……. *****When you are using the inverse operations to solve for a variable what you do to one side you MUST do to the other!!!!!! Review
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Review Inequality Reminders: Fewer than, below means less than: <
More than, above means greater than: > At most, no more than means less than or equal to: ≤ At least, no less than means greater than or equal to: ≥ Review
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Review Graphing Inequality Reminders:
< , > means you use an OPEN circle ≤ , ≥ means you use a CLOSED circle x > -5 Open or closed??? y ≥ 8 Open or closed??? Review
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Review Last inequality reminder… -1 0 1 2 3 4 5 6 7 8 9
> or ≥ : shade to the RIGHT on the graph < or ≤ : shade to the LEFT on the graph m < 7 p ≥ -4 Review
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