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