Adding and Subtracting Rational Expressions Answers
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1
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Find the sum of the terms. The numerator of the simplified sum is
A
x + 3B
3x + 6C
4x + 6D
4x + 22
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What is the common denominator of in the complex fraction ?
A
(x + 2)(x – 2)B
x – 2C
(x + 2)2(x – 2)D
x + 23
What is the difference?
A
StartFraction x minus 1 Over 6 x + 4 EndFraction
B
StartFraction negative 1 Over 4 x + 2 EndFraction
C
StartFraction 1 Over x + 2 EndFraction
D
StartFraction x minus 1 Over x squared + 3 x + 2 EndFraction
4
What is the sum?
A
StartFraction 5 Over y minus 5 EndFraction
B
StartFraction 5 (y + 2) Over (y minus 2) (y + 5) EndFraction
C
StartFraction 5 Over y + 5 EndFraction
D
StartFraction 5 (y minus 2) Over (y minus 5) (y + 2) EndFraction
5
Which expression is equivalent to the following complex fraction?
A
StartFraction 3 y + 1 Over 2 y minus 1 EndFraction
B
StartFraction (2 y minus 1) (3 y + 1) Over y squared EndFraction
C
StartFraction y squared Over (2 y minus 1) (3 y + 1) EndFraction
D
StartFraction 2 y minus 1 Over 3 y + 1 EndFraction
6
What is the sum?
A
StartFraction 3 x + 4 Over x cubed EndFraction
B
StartFraction 7 Over x EndFraction
C
StartFraction 3 x + 4 Over x squared EndFraction
D
StartFraction 7 Over x + x squared EndFraction
7
What is the difference?
A
StartFraction (x + 5) (x + 2) Over x cubed minus 9 x EndFraction
B
StartFraction (x + 5) (x + 4) Over x cubed minus 9 x EndFraction
C
StartFraction negative 2 x + 11 Over x cubed minus 12 x minus 9 EndFraction
D
StartFraction 3 (x + 2) Over x squared minus 3 x EndFraction
8
Which expression is equivalent to the following complex fraction?
A
StartFraction x minus 1 Over 2 x EndFraction
B
Negative one-half
C
StartFraction 2 x minus 2 Over x EndFraction
D
StartFraction 2 x Over x minus 1 EndFraction
9
What is the sum?
A
Five-thirds
B
StartFraction x + 5 Over x + 3 EndFraction
C
StartFraction x + 5 Over 3 x + 27 EndFraction
D
StartFraction 6 x Over x + 3 EndFraction
10
What is the difference?
A
StartFraction x squared + 3 x + 12 Over (x minus 3) (x minus 5) (x + 7) EndFraction
B
StartFraction x (x + 3 minus 12) Over (x + 3) (x minus 5) (x + 7) EndFraction
C
StartFraction x squared + 3 x + 12 Over (x + 3) (x minus 5) (x + 7) EndFraction
D
StartFraction x squared + 3 x minus 12 Over (x + 3) (x minus 5) (x + 7) EndFraction
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