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

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

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

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

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

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

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