Practice Quiz

SAT Math - Question List

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16. How many positive integers are the solutions of (2x − (x + 1)/4) andlt; (6 − (x − 1)/2?)
  1. 0
  2. 1
  3. 2
  4. 3
  5. infinitely many
See answer
17. Look at the graph below.
Which of the following is the solution of the system of linear equations?
− 4x + y − 10 = 0
− x − 5y − 13 = 0
  1. x = −2,y = −2
  2. x = 2,y = 6
  3. x = 3,y = 1
  4. x = 2,y = − 3
  5. x = − 3,y = − 2
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18. Find x + y if 3x − 2y = 8 and 4x + 3y = 5.
  1. - 1
  2. 0
  3. 1
  4. 2
  5. 3
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19. If x and y are integers, how many ordered pairs (x,y) are the solutions of the system of linear inequalities?
xandgt;0
yandgt;0
− x − 4y + 24andgt;0
3x + y − 17andlt;0
  1. 5
  2. 10
  3. 15
  4. 20
  5. 25
See answer
20. What is the number of real solutions of x^4 − 1 = 0?
  1. 0
  2. 1
  3. 2
  4. 3
  5. 4
See answer

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