1. One Step Equations and Inequalities Review

2. 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
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3. 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?
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4. Review Which operation are the following problems using??? 5m = 98
k = -19 8
9 – t = 64
j + 4 = -14
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5. Decide the inverse operation you will use to solve for each variable:
8x = 87
9 + m = -17
m = -68 8
k – 6 = -3
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6. 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!!!!!!
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7. 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: ≥
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8. 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???
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9. 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
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