Simplifying Algebraic Expressions Quiz 1

- 1. Which expression is not equivalent to the other three?
A) 2n-3+4n-5 B) -8-4n+10n C) 2(3n-4) D) 6(n-5) - 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+5 C) Marie, because the first expression is equal to 3x+6 - 3. Use the distributive property to rewrite the expression in simplest form:
3(x+5)
A) 3x+15 B) 3x+8 C) 3x+35 D) 3x+5 - 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+14r+18 B) -6p-7r-18 C) -6p-14r-18 D) -6p-14r+18 - 7. How many terms are in the following expression?
2x+4-5y-6
A) 4 B) 6 C) 9 D) 5 - 8. What are the Constants in the following expression?
2x+4-5y-6
A) 2 and 5 B) 4 and 6 C) 2 and -5 D) 4 and -6 - 9. What are the coefficients in the following expression?
2x+4-5y-6
A) 4 and 6 B) 2 and -5 C) 2 and 5 D) 4 and -6 - 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 order of numbers changed D) Harry, because the grouping changed. - 11. Which expression is equivalent to 2.5(x - 1) + 4.5( -x - 2)?
A) 7x+11.5 B) -2x+11.5 C) 7x-11.5 D) -2x-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) 3.6(x+6)-4 B) 9.6x-4 C) 5.6x D) 3.6x(6-4) - 13. Which expression is equivalent to
6x + 7.5?
A) -3(-2x+2.5) B) -3(-2x-7.5) C) -3(-2x+7.5) D) -3(-2x-2.5) - 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) 16a+3 C) 16a-7 D) 2a+3 - 16. Simplify the expression: -8m+3-6m-9
A) -2m-6 B) -14m+6 C) -14m-6 D) 14m-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+17 C) 5x+14 D) 7x+24 - 19. Simplify the expression:
-3(9y+5)+ 7y-22
A) -20y-27 B) -14y-37 C) -20y-37 D) -20y-17 - 20.
A) -7x-2 B) -9x+2 C) -7x+2 D) -7x+18 |

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