Equivalent Expressions
ACT · Flashcards · Application
ACT · FLASHCARDS
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QUESTION
Simplify the expression:
3
x
(
x
+
4
)
−
2
x
(
x
−
1
)
3x(x + 4) - 2x(x - 1)
3
x
(
x
+
4
)
−
2
x
(
x
−
1
)
.
QUESTION
What expression is equivalent to
9
(
x
+
1
)
−
x
9(x + 1) - x
9
(
x
+
1
)
−
x
?
QUESTION
What is the equivalent expression for
y
7
y
2
\frac{y^7}{y^2}
y
2
y
7
for
y
≠
0
y \neq 0
y
=
0
?
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ANSWER
y
5
y^5
y
5
. Subtract exponents when dividing same base:
7
−
2
=
5
7-2=5
7
−
2
=
5
.
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