Find the Common Denominator
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
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19 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the LCD of the following rational expression
5/(x+8) and 2x/(x-3)
(x+8)(x-3)
8x(x+2)
(x2+3x+24)
Tags
CCSS.HSA.APR.D.7
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the LCD of the following rational expressions
2x/(x+1) and (x2-1)
(x+1)(x-1)
(x+1)2 (x-1)
(2x+2)
Tags
CCSS.HSA.APR.D.7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
When adding and subtracting rational expressions, my first step should be to:
Combine like terms in the numerators.
Determine a Least Common Denominator.
Factor all of the numerators and all of the denominators.
Change the operator to multiplication and reciprocate the second fraction.
Tags
CCSS.HSA.APR.D.7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Perform the operation
A
B
C
D
Tags
CCSS.HSA.APR.D.7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x+1)(x-1)
(x+1)2 (x-1)
(2x+2)
(x+1)(x2-1)
Tags
CCSS.HSA.APR.D.7
6.
MULTIPLE CHOICE QUESTION
1 min • 20 pts
Tags
CCSS.HSA.APR.D.7
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA.APR.D.7
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