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Gr 8 Equations/Inequalities
Con il contributo di: Dyson
  • 1. Mr. Hill's homeroom has collected 23 fewer than four times a number of boxtops as Mrs. Green's homeroom. Identify the expression that represents the number of boxtops Mr. Hill's homeroom has collected if Mrs. Green's students collected n boxtops.
A) 23 - 4n
B) 4n - 23
C) 23n - 4
D) 4 - 23n
  • 2. Identify the correct translation
A) three times a number decreased by the product of that number and 8 is 12
B) three times a number decreased by the quotient of that number and 8 is 12
C) three times a number increased by the quotient of that number and 8 is 12
D) the quotient of a number and 8 decreased by 3 is 12
  • 3. Solve for x.
A) x = 2
B) x = -6
C) x = -2
D) x = -55
  • 4. Solve for x.
A) x > -7
B) x > 7
C) x > 14
D) x > -14
  • 5. Solve for x.
A) x < 2
B) x < 4
C) x < 1
D) x < 2/3
  • 6. The perimeter of this rectangle is 38 inches. Which of these equations could be used to determine the rectangles length and width?
A) 4x - 9 - x + 3 = 38
B) 2(4x - 9) - 2(x + 3) = 38
C) 4x - 9 + x + 3 = 38
D) 2(4x - 9) + 2(x + 3) = 38
  • 7. Which equation is equivalent to the equation shown?
A) 7(4x -2) - 3x = 186
B) 3(x - 9) = -21
C) 3(x + 2) - 8 = 10
D) -8x - 3x - 6 -5x = 58
  • 8. On his trip to California, Mr. Hill traveled 338 miles in six and a half hours. What was his average rate of speed? Use the formula d = rt, where d is distance, r is rate and t is time.
A) 52 mph
B) 58 mph
C) 55 mph
D) 50 mph
  • 9. Solve for p.
A) p < -11.3
B) p < -7
C) p < 11.3
D) p < 7
  • 10. Solve for r.
A) r = 132
B) r = -132
C) r = -48
D) r = 48
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