
Find LCD of Rational Expression
Authored by Anthony Clark
Mathematics
10th Grade
CCSS covered

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8 questions
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1.
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the LCD of the following rational numbers
2/5 and 3/10
10
5
15
20
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the LCD of these fractions.
(x+2)(x-2)
(x+2)(x+1)
(x+2)(x-2)(x+1)
(x-2)(x+1)
Tags
CCSS.HSA.APR.D.7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the LCD of these fractions.
(x+2)(x-2)
(x+2)
(x-2)
(x2-4)(x+2)
Tags
CCSS.HSA.APR.D.7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA.APR.D.7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the least common multiple of 3x2 - 27 and 5x2+10x-75? HINT: Think least common denominator!
3(x+3)(x-3)(x+5)
15(x+3)(x+3)(x+5)
15(x+3)(x-3)(x+5)
5(x+3)(x-3)(x+5)
Tags
CCSS.HSA.APR.D.6
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tags
CCSS.HSA.APR.D.7
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