# 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