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