section1-8 (1).pdf

# section1-8 (1).pdf - MATH 1414 Sections 1.8 Absolute Value...

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MATH 1414 Sections 1.8 Absolute Value Equations and Inequalities. Absolute values come in pairs. The absolute value of both 5 and -5 are 5. Similarly absolute value equations also come in pairs. The contents of the absolute value must be set equal to the number equal and the opposite of the number equal. For example: Becomes and Example 1. Solve Example 2. Solve . Example 3. Solve

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In the case where an absolute value is equal to an expression containing the variable, the answer must be checked. Any answer for x that makes the absolute value negative is not a solution. Remember that absolute values are always non-negative.

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