Solve for x (SAT question)
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Solve for x (SAT question)

[From: ] [author: ] [Date: 11-11-06] [Hit: ]
......
x^(-1/3) = -(1/9), then x=

A) -729
B) -27
C) 3
D) 81
E) 243

-
x^(-1/3) = -(1/9)

x = -(1/9)^-3

x = -[1 / (1/9)^3]

x = -[1 / (1 / 729)]

x = -729

-
x^(-1/3)= -(1/9)
Raise both sides to -3 to cancel (-1/3) on x.

x = -729
1
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