Michigan State University - Diagnostic Exam

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2.12

  •   If |x - 5| = 1, then x = (?).

     

    a) 6 b) ±6 c) 6 or 4 d) ±4 e) 4



Solution:
⇒±(x - 5) = 1 ⇒ x - 5 = ±1 ⇒ x = 5 ± 1 .

Diagnostic:

If you miss this question please review equations with absolute values.

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July 15, 2008