
Adding and Subtracting Rational Expressions

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
+1
Standards-aligned

Jackson Turner
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in adding fractions with different denominators?
Find the lowest common denominator
Multiply the fractions
Subtract the smaller denominator from the larger one
Add the numerators directly
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the lowest common multiple of 15, 16, and 20?
360
240
120
60
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When finding the LCM of variables, which degree should you take?
The lowest degree
The sum of the degrees
The highest degree
The product of the degrees
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the LCM of 6, 9, and 4?
18
24
36
48
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you factor the expression x^3 - x^2 - 2x?
x(x^2 + x - 2)
x(x - 1)(x + 2)
x(x - 2)(x + 1)
x(x^2 - x - 2)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the LCM of the expressions x^2 + 2x - 3 and x^2 + 6x + 9?
x(x + 3)(x - 1)
x(x + 3)^2(x - 1)
x(x + 3)(x - 2)
x(x + 2)^2(x - 1)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the least common denominator of 6 and 14?
84
42
28
56
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