Simplify the expression: 2x + 1 + 7x
Adding and Subtracting Monomials

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
10x
10
9x + 1
9 + 1x
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the sum of 16y2 and -5y2.
-11y2
21y2
11y2
16y2 - 5y2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify: 10m2n + 7mn2 - m2n
9m2n + 7mn2
16m2n
17m2n - mn2
No change
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-20x6 + (-10x6)
10x12
-30x6
-10x6
-30x12
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-20x6 + (-10x6)
10x12
-30x6
-10x6
-30x12
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
10m2n + 7mn2 - m2n
9m2n + 7mn2
16m2n
17m2n - mn2
No change
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Subtract 9a from -15a.
-6a
-24a
24a
6a
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