Pope
Lv 7
Pope asked in Science & MathematicsMathematics · 5 years ago

Simplify the algebraic expression.?

√(9xy²z³)

Few people seem to get these. On similar problems incorrect answers tend to prevail.

5 Answers

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  • Anonymous
    5 years ago
    Favourite answer

    Simplify the algebraic expression.?

    √(9xy²z³)

    "Few people seem to get these. On similar problems incorrect answers tend to prevail."

    I think I see what you did there...

    Is it because the answer is actually 3 |yz| √(xz)?

  • Anonymous
    5 years ago

    ±(3yz)√xz

    People tend to forget that a square root can be plus or minus. A square root is not a function, because a function is defined to be single valued.

  • Robert
    Lv 7
    5 years ago

    First, separate out all factors that are

    perfect squares: √(9y^2z^2)(xz)

    By properties of radicals, this = √9y^2z^2 * √xz,

    which = 3yz√xz

  • 5 years ago

    √(3•3•x•y•y•z•z•z)

    For each pair of factors, one moves outside the radical so

    3yz√(xz)

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  • ?
    Lv 7
    5 years ago

    √(9xy²z³)

    = 3yz√(xz)

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