Algebra 2 · Chapter 5 · Lesson 5.5 · Printable PDF

Solving Radical Equations Worksheet with Answer Key

6 problems on solving radical equations: isolating the radical, square roots, cube roots and fourth roots, checking for extraneous answers, finding a student's mistake, and equations with two radicals. 1 page, with a worked answer key.

6 problems1 pagesanswer key
Printable Solving radical equations worksheet with answer key - Algebra 2 (Page 1 PDF preview)
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What's on the worksheet

  1. Isolate the radical, then solve; say why when there is no solution.
    7 - \sqrt{x + 4} = 25\sqrt{x} + 8 = 3-2\sqrt{6 - x} + 9 = 14\sqrt{3x + 1} = 3\sqrt{3x + 1} + 2
  2. Solve each equation over the real numbers with exact answers.
    3 - \sqrt[3]{2x + 1} = 6\sqrt[4]{5x - 4} + 7 = 4\sqrt[3]{x^2 + 4x} = -1\sqrt[5]{3x - 1} = 2
  3. Solve an equation with a radical and name any extraneous candidate.
  4. Solve and use the sign test to decide which candidate is extraneous.
  5. Describe Yuna's mistake in squaring and fix the work.
  6. Solve each equation, checking every candidate and naming any extraneous one.

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Solving radical equations: the lesson ›

More Chapter 5 worksheets: Radicals, rational exponents and radical functions