Least Common Denominator of Rational Expressions

Quiz
•
Mathematics
•
11th Grade
•
Hard
+1
Standards-aligned
Anthony Clark
FREE Resource
20 questions
Show all answers
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
5/4 and 2/3
12
5
24
7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the LCD of the following rational numbers
10
5
15
20
Tags
CCSS.7.NS.A.1C
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the LCD of the following rational expressions
(x+1)(x-1)
(x+1)2 (x-1)
(2x+2)
Tags
CCSS.HSA.APR.D.7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(x+1)(x-1)
(x+1)2 (x-1)
(2x+2)
Tags
CCSS.HSA.APR.D.7
7.
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
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