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Algebra 1
Simplify Square Roots - Solving Quadratic Equations only x2, no x by Taking Square Roots
1. Simplify each radical. Leave each answer in simplest radical form.
√4
√7
√27
√675
√140
2. Solve each equation below. (Answer in simplest radical form.)
Only x2, no x  isolate x2, square root both sides, do not forget ±.
x2 + 5 = 174
2x2 = 160
6x2 – 12 = 204
3. Solve the equations below. (Answer in simplest radical form of possible.)
Only (x + a)2, no x  isolate (x + a)2, square root both sides, do not forget ±.
(x + 5)2 + 6 = 51
3(x – 2)2 = 108
-5(x + 6)2 – 7 = -92