# Fractions MCQs - Math Test 4

MCQ. 1 ⁄ (x^{2} - 1) can be expressed as (A ⁄ (x+1)) + (B ⁄ (x-1)), which of following pairs of values of A and B is correct?

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

B

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

- 10.
- 5?2.
- 4?5.
- 2?5.

D

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

- 10?50.
- 50?10.
- 10?5.
- 5?10.

C

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

- 58 + 24?5.
- 58 + 12?5.
- 58 + 24?10.
- 18 + 32?5.

A

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

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

B