- 1. Which expression is not equivalent to the other three?
A) -8-4n+10n
B) 6(n-5)
C) 2n-3+4n-5
D) 2(3n-4)
- 2. Jake says the expressions 3(x+2) and 3x+2 are equivalent. Marie says they are not. Who is correct?
A) Jake,because they are both equal to 3x+2
B) Marie, because the first expression is equal to 3x+6
C) Marie, because the first expression is equal to 3x+5
- 3. Use the distributive property to rewrite the expression in simplest form:
3(x+5)
A) 3x+35
B) 3x+5
C) 3x+15
D) 3x+8
- 4. Use the distributive property to rewrite the expression in simplest form:
-4(m-7n)
A) -4m-28n
B) -4m+28n
C) -4m-7n
D) -4m+7n
- 5. Use the distributive property to rewrite the expression in simplest form:
6(3a+4b+2c)
A) 18a+24b+12c
B) 18a+10b+12c
C) 18a+24b+2c
D) 9a+10b+8c
- 6. Use the distributive property to rewrite the expression in simplest form:
-2(3p+7r-9)
A) -6p-7r-18
B) -6p-14r+18
C) -6p+14r+18
D) -6p-14r-18
- 7. How many terms are in the following expression?
2x+4-5y-6
A) 6
B) 4
C) 9
D) 5
- 8. What are the Constants in the following expression?
2x+4-5y-6
A) 2 and 5
B) 2 and -5
C) 4 and 6
D) 4 and -6
- 9. What are the coefficients in the following expression?
2x+4-5y-6
A) 2 and -5
B) 4 and 6
C) 4 and -6
D) 2 and 5
- 10. Harry says (7+8)+9=(8+7)+9 is an example of the associative property.
Hannah says it is an example of the commutative property. Who is correct and why?
A) Hannah, because the order of numbers changed:
B) Hannah, because the grouping changed.
C) Harry, because the grouping changed.
D) Harry, because the order of numbers changed
- 11. Which expression is equivalent to 2.5(x - 1) + 4.5( -x - 2)?
A) -2x+11.5
B) -2x-11.5
C) 7x+11.5
D) 7x-11.5
- 12. Nell writes the expression
(3.6x + 6) - 4. She rewrites the expression using the associative property. Which expression could Nell have written using the associative property?
A) 5.6x
B) 9.6x-4
C) 3.6(x+6)-4
D) 3.6x(6-4)
- 13. Which expression is equivalent to
6x + 7.5?
A) -3(-2x+2.5)
B) -3(-2x-2.5)
C) -3(-2x-7.5)
D) -3(-2x+7.5)
- 14. Mary solved the problem below and came up with the answer listed. Is * 5 Mary correct? If not, state what Mary did wrong and give the correct answer.
9y- 3 + 5y
9y- 5y - 3
Mary's answer: 4y - 3
A) No, Mary should have added 5y to 9y and gotten 14y - 3.
B) Yes, Mary's answer is correct.
C) No, Mary should have added 5y to 9y and gotten 14y + 3.
D) No, Mary should have subtracted 3 from 9y and then added 5y to get 11 y
- 15. Simplify the expression: 9a+5-7a-2
A) 2a+3
B) 2a-3
C) 16a-7
D) 16a+3
- 16. Simplify the expression: -8m+3-6m-9
A) 14m-6
B) -14m-6
C) -14m+6
D) -2m-6
- 17. Simplify the expression: 4x-12-9x-5
A) -5x-17
B) -13x-17
C) 5x-17
D) -5x-7
- 18. Simplify the expression: 2(2x+10)+3x+4
A) 7x+14
B) 7x+24
C) 5x+14
D) 7x+17
- 19. Simplify the expression:
-3(9y+5)+ 7y-22
A) -20y-17
B) -20y-37
C) -14y-37
D) -20y-27
A) -9x+2
B) -7x-2
C) -7x+18
D) -7x+2
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