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1.a Ways to Simplify Expressions
供稿人: Faulkner
(原作者: Zdybel)
  • 1. The Distributive Property is:
A) the process of distributing the number on the outside of the parentheses to the first term on the inside.
B) the process of distributing the number on the outside of the parentheses to the second term on the inside.
C) the process of distributing the number on the outside of the parentheses to each term on the inside.
  • 2. 5(y + 1) is equivalent to:
A) 5y + 5
B) y + 5
C) -5y +5
D) 5y + 1
  • 3. The coefficient is:
A) the number in front of the variable.
B) is the variable part of the term.
  • 4. Like terms are:
A) terms with a different variable and exponent.
B) terms with the same variable and exponent.
  • 5. To simplify expressions with like terms:
A) combine the coefficients of the like terms by adding or subtracting
B) simply expand the like terms.
  • 6. Which of the following are like terms?
A) 5x, 2x2
B) x, -x, 12x
C) 198t, 198t3
D) 14yx, -13y
  • 7. Which of the following are like terms?
A) 3d, 2d
B) 6f, f, 12f
C) all of the choices are like terms
D) 8j, 9j
  • 8. Simplify 6x + 9x - 2 + 1
A) 15x - 1
B) 6x + 9x - 1
C) 15x + 1
  • 9. Simplify 12a + 7c + 6a
A) 25
B) 18a + 7c
C) 18a - 7c
D) 25ac
  • 10. Simplify 25y - 2 y + 7 y
A) 34y
B) 23y + 7y
C) 30y
D) 16y
  • 11. 4(2y + 7) is equivalent to:
A) 8y + 28
B) 8y + 7
C) 8y - 28
D) 2y +28
  • 12. 12(x - 2) is equivalent to:
A) 12x + 24
B) 12x - 2
C) 12x - 24
D) 12x - 10
  • 13. 5(y + 1) + 2 is equivalent to:
A) 5y + 3
B) 5y +5
C) 12
D) 5y + 7
  • 14. 2(b + 1) is equivalent to:
A) 2b - 2
B) b + 2
C) 2b + 2
D) 2b + 1
  • 15. 6(6x + 5) is equivalent to:
A) 36x - 30
B) 12x + 11
C) 36x + 30
D) 36x + 11
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