Practice Quiz

SAT Prep - Question List

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16. How many positive integers are the solutions of (2x − (x + 1)/4) < (6 − (x − 1)/2?)
  1. 0
  2. 1
  3. 2
  4. 3
  5. infinitely many
See answer
17. Find x + y if 3x − 2y = 8 and 4x + 3y = 5.
  1. - 1
  2. 0
  3. 1
  4. 2
  5. 3
See answer
18. If x and y are integers, how many ordered pairs (x,y) are the solutions of the system of linear inequalities?
x>0
y>0
− x − 4y + 24>0
3x + y − 17<0
  1. 5
  2. 10
  3. 15
  4. 20
  5. 25
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19. What is the number of real solutions of x4 − 1 = 0?
  1. 0
  2. 1
  3. 2
  4. 3
  5. 4
See answer
20. Which of the following quadratic equations has solutions x_1 = − 3 and x_2 = 4?
  1. x2 + x − 12 = 0
  2. x2 − x − 12 = 0
  3. x2 + x + 12 = 0
  4. x2 − x + 12 = 0
  5. − x2 + x − 12 = 0
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