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