Asked by running.from.myself
If Logx (1 / 8) = - 3 / 2, then x is equal to
A. - 4
B. 4
C. 1 / 4
D. 10
A. - 4
B. 4
C. 1 / 4
D. 10
Answers
Answered by
MathMate
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
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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