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Unformatted text preview: 2x + 3 7, do the same thing to all ≤ ≤ three parts to get the variable alone in the middle. Write answers using interval notation: x 2 ≤> ( , 2] ∞ x < 2> ( , 2) ∞ x 2 ≥> [2, ) ∞ x > 2> (2, ) ∞ 3 x 7 ≤ ≤> [3, 7] 3 < x < 7> (3, 7) Absolute Value Equations: X  = a (if a is a positive number) means that X = a or X = a X  = Y  means that X = Y or X = Y Absolute Value Inequalities: X  < a (if a is a positive number) means thata < X < a X  > a (if a is a positive number) means that X < a or X > a...
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This note was uploaded on 05/13/2011 for the course MTH 110 taught by Professor Helenius during the Spring '08 term at Grand Valley State University.
 Spring '08
 HELENIUS
 Equations, Fractions

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