Adding and Subtracting Rational Expressions Answers
10 verified answers
1
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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
2
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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
3
Which expression is equivalent to the following complex fraction?
A
StartFraction 3 y + 5 x Over 2 (y minus 2 x) EndFraction
B
StartFraction 2 (y minus 2 x) Over 3 y minus 5 x EndFraction
C
StartFraction 2 (y minus 2 x) (3 y minus 5 x) Over x squared y squared EndFraction
D
StartFraction x squared y squared Over 2 (y minus 2 x) (3 y minus 5 x) 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 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
6
What is the numerator of the simplified sum?
A
mc027-2.jpg
B
mc027-3.jpg
C
mc027-4.jpg
D
mc027-5.jpg
7
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
8
Which expression is equivalent to the following complex fraction?
A
StartFraction 2 (x minus 2) Over negative 4 x + 7 EndFraction
B
StartFraction negative 4 x + 7 Over 2 (x minus 2) EndFraction
C
StartFraction negative 4 x + 7 Over 2 (x squared minus 2) EndFraction
D
StartFraction 2 (x squared minus 2) Over (negative 4 x + 7) EndFraction
9
What is the sum?
A
StartFraction 8 Over x squared + x minus 6 EndFraction
B
StartFraction 5 x minus 12 Over x minus 3 EndFraction
C
StartFraction negative 5 x Over (x + 3) (x minus 3) EndFraction
D
StartFraction 5 x minus 12 Over (x + 3) (x minus 3)
10
What is the common denominator of in the complex fraction ?
A
3y(y – 3)B
y(y – 3)C
3yD
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