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Algebra 2 · A-CED

Create and Solve Radical Equations

To solve √(expression) = k, square both sides (check for extraneous solutions since squaring is not reversible).

Algebra 2Common Core HSA-CED.A.1A-CEDVerified correct ✓

Worked examples

Solve: √(-3x + 22) = 5
Answer: {-1}
Solve: √x - 2 = -1
Answer: {1}

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More Algebra 2 topics

Rational Exponents — Rewrite and SimplifySimplify Radical Expressions — Products and QuotientsComplex Number Arithmetic — Add, Subtract, MultiplyModulus and Conjugate of a Complex NumberFactor Sum and Difference of CubesSimplify Rational ExpressionsPolynomial Long Division and Synthetic DivisionRemainder and Factor Theorem