Free PRAXIS MATHEMATICS SECTION Exam Braindumps (page: 4)

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If x = 3 and y = -1, then 3x2 + 2xy – 5 = ?

  1. 18
  2. 24
  3. 12
  4. 14
  5. 16

Answer(s): E

Explanation:

Substitute the given values into the equation, and then remember to observe the order of operations.



8.5 x 9.07 =

  1. 77.95
  2. 770.95
  3. 77.095
  4. 777.095
  5. 7.095

Answer(s): C

Explanation:

Remember that since the terms of the problem have three units to the right of the decimal point, the answer will as well.



54 is 75% of what number?

  1. 80
  2. 75
  3. 70
  4. 100
  5. 72

Answer(s): E

Explanation:

Multiply 54 by 100 and then divide by 75.



8.26 x 76.8 =

  1. 6343.68
  2. 63.4368
  3. 634.368
  4. 634,368
  5. 6.34368

Answer(s): C

Explanation:

Remember that since the terms of the problem have three units to the right of the decimal point, the answer will as well.






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