2-26 expression/equations
  • 1. Simplify the following expression , 20 - 10 / 2
A) 5
B) 15
C) -18
D) all
E) 12
  • 2. Simplify the following expression, 20+(-4+1)
A) 20
B) 17
C) 27
D) none
E) 23
  • 3. 16/4 + 3 x 5
A) none
B) 27
C) 21
D) 31
E) 19
  • 4. Evaluate the expression 12y-9 when y = 4
A) none
B) 23
C) 39
D) 12x
E) 45
  • 5. evaluate the expression 5m-11, when m = 7
A) none
B) 45
C) 78
D) 24
E) 23
  • 6. in the term 134ym, identify the coefficient
A) none
B) x
C) 134
D) y
E) m
  • 7. The product of m and 6 divided by 4
A) none
B) m+6/4
C) 4/6m
D) 6m/4
E) 6+ m4
  • 8. The sum of 4 and y
A) y/4
B) 4-y
C) none
D) 4/y
E) 4y
  • 9. The difference of y and 7 divided by 2
A) (7-y)/2
B) 14-y
C) 14-2y
D) none
E) (y-7)/2
  • 10. What expression is represented? 5 less than some number
A) s-5
B) all could work
C) m-5
D) n-5
E) y-5
  • 11. Which expression is represented? Half a number decreased by 9
A) n/2 - 9
B) 1/1-9
C) 9-n/2
D) none
E) 9-2n
  • 12. Which of these is equivalent to 3(y + r + 4)
A) none
B) yr + 12
C) 3y+r+4
D) 3y+3r+12
E) 3yr = 4
  • 13. Given the expression 3 + 6, which property is shown if rewritten as 6 + 3
A) Multiplicative Identity
B) commutitive
C) none
D) associative
E) difference
  • 14. Which symbol is not associated with expressions?
A) Mr. Miller's Cadillac
B) Order of operations
C) Distributive property
D) powers
E) equals sign
  • 15. In the equation 5w=90, what is the solution?
A) 85
B) 905
C) 18
D) who cares
E) There is no solution
  • 16. Alejandro has 24 bagels to sell. He already sold 9. Which equation could represent this situation?
A) none
B) 9-b=24
C) 24 - 9-n=24
D) 9+b=24
E) 9b=24
  • 17. (Fill in the blank) The additive Identity property basically says that if you ____ to the original value, you get that value back
A) divide by 1
B) add zero
C) multiply by 1
D) none
E) mulitply by zero
  • 18. Which answer shows the associative property? (2+4)+6
A) 12
B) 6+6
C) 6+ (2+4)
D) (2+6)+4
E) none
  • 19. Six less than seven times some number is shown by which expression?
A) 7n=6
B) 6-7n
C) 7n/6
D) none
E) 7n-6
  • 20. A square has a perimeter of 20 feet. If y represents the length of one side, which expression(s) would work?
A) 2y+2y
B) none
C) Three of these answers work
D) 4y
E) y+y+y+y
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