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- Adding And Subtracting Rational Expressions With Least Common Denominator
Adding and Subtracting Rational Expressions with Least Common Denominator
Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Mia Campbell
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator for the numbers 3, 7, and 6?
21
42
14
18
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When considering the variables, what is the least common denominator for s^3, s^5, and s^3?
s^6
s^3
s^4
s^5
Tags
CCSS.HSA.APR.D.7
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator for the expressions m^2 - 4m - 5 and m^2 - m - 2?
(m-5)(m-2)
(m-2)(m+1)
(m-5)(m+1)
(m-4)(m+1)
Tags
CCSS.HSA.APR.D.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor is missing when rewriting z-4 over z+2 to have a denominator of z^2 + 5z + 6?
z+2
z-3
z+3
z-2
Tags
CCSS.HSA.APR.D.6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the factored form of w^2 - 2w - 35?
(w+7)(w+5)
(w-7)(w-5)
(w-5)(w+7)
(w-7)(w+5)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you factor w^2 - 25?
(w-5)(w+5)
(w-5)(w-5)
(w-7)(w+7)
(w+5)(w+5)
Tags
CCSS.HSA.APR.C.4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator for the expressions 3w/(w^2 - 2w - 35) and (w-3)/(w^2 - 25)?
(w-7)(w-5)
(w-5)(w+5)
(w-7)(w+5)(w-5)
(w-7)(w+5)
Tags
CCSS.HSA.APR.D.7
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