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Posted by on Thursday, March 1, 2012 at 7:42pm.

If Logx (1 / 8) = - 3 / 2, then x is equal to

A. - 4
B. 4
C. 1 / 4
D. 10

  • Math - , Thursday, March 1, 2012 at 9:02pm

    To solve this, you will need to review the laws of exponents:
    Logx (1 / 8) = - 3 / 2
    means
    x^(-3/2)=1/8
    x^(3/2)=8
    (x^(3/2))^2=8^2
    x^(3) = 64
    x^(3)=4^3
    x=4

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