_____13. Which of the following has degree 5? A. 2x2y3
B. 3a5b
C. m2n2 + 3mn
D. 5
_____14. All of the following are similar with 3x3y2z, EXCEPT
A. -5x3y2z
B. 2x2y3z
C. -10x3y2z
D. 15x3y2z
_____15. Add: 8a + 4a =
A. 4a
B. 12a
C. 4a2
D. 12a2
_____16. Subtract: 13xy – 9xy =
A. 4xy
B. 22xy
C. 4x2y2
D. 22x2y2
_____17. 9m – 4n + 6m – 2n =
A. 9mn
B. 5mn + 4mn
C. 15m – 6n
D. 15m – 2n
_____18. (8a – 5b) + (-3a + 7b) =
A. 11a + 12b
B. 11a – 12b
C. 5a – 2b
D. 5a + 2b
_____19. (6a – 3b + 4c) – (4a + 3b – c ) =
A. 2a + 3c
B. 2a – 6b + 3c
C. 2a – 6b + 5c
D. 2a–3b+3c
_____20. (10x2 – 5x + 6) + (5x2 – 4x – 3)=
A. 5x2 - x + 9
B. 5x2 – x + 3
C. 15x2–9x – 3 D. 15x2-9x+3
B. 3a5b
C. m2n2 + 3mn
D. 5
_____14. All of the following are similar with 3x3y2z, EXCEPT
A. -5x3y2z
B. 2x2y3z
C. -10x3y2z
D. 15x3y2z
_____15. Add: 8a + 4a =
A. 4a
B. 12a
C. 4a2
D. 12a2
_____16. Subtract: 13xy – 9xy =
A. 4xy
B. 22xy
C. 4x2y2
D. 22x2y2
_____17. 9m – 4n + 6m – 2n =
A. 9mn
B. 5mn + 4mn
C. 15m – 6n
D. 15m – 2n
_____18. (8a – 5b) + (-3a + 7b) =
A. 11a + 12b
B. 11a – 12b
C. 5a – 2b
D. 5a + 2b
_____19. (6a – 3b + 4c) – (4a + 3b – c ) =
A. 2a + 3c
B. 2a – 6b + 3c
C. 2a – 6b + 5c
D. 2a–3b+3c
_____20. (10x2 – 5x + 6) + (5x2 – 4x – 3)=
A. 5x2 - x + 9
B. 5x2 – x + 3
C. 15x2–9x – 3 D. 15x2-9x+3
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