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Published bySharyl Jackson Modified over 9 years ago

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Outcomes: Represent the solution sets to inequalities in the following formats: Graphically Symbolically With Words

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Recall… Natural Number (N)– start at one, no decimals 1, 2, 3, 4, 5… Whole Number (W) – start at zero, no decimals 0, 1, 2, 3, 4, 5… Integers (I) – positive & negative numbers and zero, no decimals …-4, -3, -2, -1, 0, 1, 2, 3, 4… Real Number (R) – all numbers, including decimals

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Write the possible solutions to the following: 1. Whole numbers greater than 4 and less than 12 2. Integers greater than -3 and less than or equal to 4 3. Real numbers greater than 1 and less than 3

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Symbols The symbols that you need to know for this section are: < less than > greater than ≤ less than or equal to ≥ greater than or equal to ε “belongs to”

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All of the integers higher than -3 and less than or equal to 2 Symbols: { x | -3 < x ≤ 2, x ε I } Graphically: Written: All of the values of x, where x is more than -3 and less than or equal to 2, and include numbers from the set of integers

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All real numbers higher than -2.5 and less than or equal to 3 Symbols: Graphically: Written:

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Symbols: { x | -10 ≤ x < 8, x ε R } Graphically: Written:

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Symbols: Graphically: Written: Situation:

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