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ACCUPLACER
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Multiply and Divide Rational Expressions
Grade Level
ACCUPLACER
AAF.101 Multiply and Divide Rational Expressions
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🔴 Hard
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Which choice correctly divides (24r
3
- 16r
2
- 294r + 196)/(9r
2
+ 21r + 10) by (9r
2
- 78r + 48)/((2r + 7)(3r + 2)(3r + 4)) and records the values that must be excluded?
A
(6(r - 8)(2r - 7)(3r - 2)
2
)/((3r + 2)
2
(3r + 4)(3r + 5)); restrictions: r != -7/2, r != -5/3, r != -4/3, r != -2/3, r != 2/3, r != 8
B
(2(2r - 7)(2r + 7)
2
(3r + 4))/(3(r - 8)(3r + 5)); restrictions: r != -5/3, r != 8
C
((3r + 2)
2
(3r + 4)(3r + 5))/(6(r - 8)(2r - 7)(3r - 2)
2
); restrictions: r != -7/2, r != -5/3, r != -4/3, r != -2/3
D
(2(2r - 7)(2r + 7)
2
(3r + 4))/(3(r - 8)(3r + 5)); restrictions: r != -7/2, r != -5/3, r != -4/3, r != -2/3, r != 2/3, r != 8
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