Michigan State University - Diagnostic Exam

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2.1

  •   Solve the equation x2 = 2 for x.

     

    a)  √ -- x = 2 b)  √ -- x = ± 2 c) x = ±2
       
    d) x = 2 e) x = 4



Solution:

We take the positive and negative square root of both sides.

√ -- x = ± 2

Diagnostic:

If you miss this question please review principle of square roots.

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July 15, 2008