Inequalities

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14 Terms

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Inequality

Shows things are not equal

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Less than symbol

< means smaller number alligator eats the bigger number
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Greater than symbol

means bigger number

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Less than or equal to symbol

≤

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Greater than or equal to symbol

≥

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Alligator rule

The mouth always opens toward the bigger number

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How to check solutions

Write the inequality pick a number for the variable plug it in and solve Ask if the statement is true or false

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If true

It is a solution

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If false

It is not a solution

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Example 1

n + 5 > 18 try n = 13 → 13 + 5 = 18 not bigger than 18 so not a solution

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Example 2

b - 7 < 14 try b = 13 → 13 - 7 = 6 less than 14 true so 13 is a solution

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Quick tip

Solutions to inequalities are like guesses If the alligator is happy meaning true your number works

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TITLE

Inequalities 9 24 25

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