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Week 12 · Quiz

Week 12 Quiz

College Algebra Free sample edition
The student view of the 10-question quiz: each question and its options as they appear in Canvas. The answer key and the feedback ship only inside the course's .imscc (Classic QTI); they are not shown on this public page.

  1. Reading the powers of two backwards, what is ⁴√16?

    Select one.

    • 2
    • 4
    • 8
    • 64

  2. Simplify √50 into simplified radical form.

    Select one.

    • 2√25
    • 5√2
    • 25√2
    • 10√5

  3. Which expression is √48 in simplified radical form?

    Select one.

    • 2√12
    • 16√3
    • 4√3
    • 12√2

  4. What is the value of √(9 + 16)?

    Select one.

    • 7
    • 25
    • 12
    • 5

  5. Evaluate 16^(3⁄4), taking the root first.

    Select one.

    • 12
    • 2
    • 8
    • 4096

  6. Simplify x^(1⁄2) · x^(1⁄3) into a single power of x, for x ≥ 0.

    Select one.

    • x^(5⁄6)
    • x^(1⁄6)
    • x^(2⁄5)
    • x^(2⁄6)

  7. Evaluate 8^(−2⁄3).

    Select one.

    • −4
    • 1 ⁄ 4
    • 4
    • −1 ⁄ 4

  8. Solve √(2x − 1) = 3.

    Select one.

    • x = 2
    • x = 4
    • x = 10
    • x = 5

  9. Solve √(x + 3) = x + 1 and check every candidate.

    Select one.

    • x = 1 only
    • x = −2 only
    • x = 1 or x = −2
    • no solution

  10. Select every expression whose value is 4.

    Select every option that applies.

    • 8^(2⁄3)
    • √16
    • 16^(3⁄4)
    • ⁴√16
    • 64^(1⁄2)

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