Fractions MCQs - Math Test 4

MCQ. 1 ⁄ (x2 - 1) can be expressed as (A ⁄ (x+1)) + (B ⁄ (x-1)), which of following pairs of values of A and B is correct?

  1. A = 1, B = -1.
  2. A = 1⁄2, B = -1⁄2.
  3. A = -1⁄2, B = 1⁄2.
  4. A = 1, B = 0.

B

MCQ. Express ?20 in terms of simplest possible surd.

  1. 10.
  2. 5?2.
  3. 4?5.
  4. 2?5.

D

MCQ. Express ?500 in terms of simplest possible surd.

  1. 10?50.
  2. 50?10.
  3. 10?5.
  4. 5?10.

C

MCQ. Expand and simplify (3 + 2?5)(6 + 4?5)

  1. 58 + 24?5.
  2. 58 + 12?5.
  3. 58 + 24?10.
  4. 18 + 32?5.

A

MCQ. Rationalise denominator of 1 ⁄ (3?5 - 3?2), simplify where possible

  1. (3?5 - 3?2) ⁄ (63 - 18?10).
  2. (3?5 + 3?2) ⁄ 27.
  3. (3?5 + 3?2) ⁄ (63 - 18?10).
  4. (3?5 - 3?2) ⁄ 27.

B

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