2-26 expression/equations
  • 1. Simplify the following expression , 20 - 10 / 2
A) -18
B) all
C) 15
D) 12
E) 5
  • 2. Simplify the following expression, 20+(-4+1)
A) 17
B) 27
C) 20
D) none
E) 23
  • 3. 16/4 + 3 x 5
A) 19
B) 27
C) 31
D) 21
E) none
  • 4. Evaluate the expression 12y-9 when y = 4
A) none
B) 39
C) 45
D) 12x
E) 23
  • 5. evaluate the expression 5m-11, when m = 7
A) 24
B) 23
C) 45
D) none
E) 78
  • 6. in the term 134ym, identify the coefficient
A) x
B) 134
C) none
D) m
E) y
  • 7. The product of m and 6 divided by 4
A) 4/6m
B) m+6/4
C) 6m/4
D) none
E) 6+ m4
  • 8. The sum of 4 and y
A) 4-y
B) none
C) 4/y
D) y/4
E) 4y
  • 9. The difference of y and 7 divided by 2
A) (y-7)/2
B) (7-y)/2
C) 14-y
D) none
E) 14-2y
  • 10. What expression is represented? 5 less than some number
A) y-5
B) all could work
C) n-5
D) s-5
E) m-5
  • 11. Which expression is represented? Half a number decreased by 9
A) none
B) 1/1-9
C) 9-n/2
D) n/2 - 9
E) 9-2n
  • 12. Which of these is equivalent to 3(y + r + 4)
A) yr + 12
B) 3y+r+4
C) 3yr = 4
D) 3y+3r+12
E) none
  • 13. Given the expression 3 + 6, which property is shown if rewritten as 6 + 3
A) Multiplicative Identity
B) none
C) associative
D) commutitive
E) difference
  • 14. Which symbol is not associated with expressions?
A) Distributive property
B) equals sign
C) powers
D) Order of operations
E) Mr. Miller's Cadillac
  • 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) none
B) 9+b=24
C) 9-b=24
D) 24 - 9-n=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) multiply by 1
B) none
C) mulitply by zero
D) add zero
E) divide by 1
  • 18. Which answer shows the associative property? (2+4)+6
A) none
B) 6+ (2+4)
C) (2+6)+4
D) 6+6
E) 12
  • 19. Six less than seven times some number is shown by which expression?
A) 7n=6
B) 7n/6
C) none
D) 7n-6
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) 4y
B) none
C) Three of these answers work
D) 2y+2y
E) y+y+y+y
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