Algebraic Expressions and Simplification
Quantitative Reasoning · Flashcards
QUANTITATIVE REASONING · FLASHCARDS
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QUESTION
What is the simplified form of
x
2
−
4
x
2
+
4
x
+
4
\frac{x^2-4}{x^2+4x+4}
x
2
+
4
x
+
4
x
2
−
4
for
x
≠
−
2
x\ne -2
x
=
−
2
?
QUESTION
What is the simplified form of
3
x
4
−
x
8
\frac{3x}{4}-\frac{x}{8}
4
3
x
−
8
x
?
QUESTION
What is the simplified form of
(
x
3
)
2
(x^3)^2
(
x
3
)
2
?
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ANSWER
x
6
x^6
x
6
. Raise a power to a power by multiplying exponents:
3
c
d
o
t
2
=
6
3 cdot 2 = 6
3
c
d
o
t
2
=
6
.
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