Pre-Algebra Quiz
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NUMBER SYSTEM & OPERATIONS
Question 1
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If
3
−
2
⋅
9
x
=
27
−
1
3^{-2} \cdot 9^x = 27^{-1}
3
−
2
⋅
9
x
=
2
7
−
1
, what is the value of
x
x
x
?
A
−
5
2
-\frac{5}{2}
−
2
5
B
−
1
2
-\frac{1}{2}
−
2
1
C
1
2
\frac{1}{2}
2
1
D
5
2
\frac{5}{2}
2
5
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