Surds - AQA

1

What is \sqrt{32} simplified?

2

Simplify \sqrt{98}.

3

A square has an area of 50 cm2.

What is the exact length, in simplified form, of one side of the square?

4

What is \sqrt{18} - \sqrt{8} simplified?

5

What is \sqrt{3} \times \sqrt{12} simplified?

6

What is 3\sqrt{7} - \sqrt{28} simplified?

7

What is (√5)2 fully simplified?

8

What is \frac{\sqrt{125}}{(\sqrt{18}\:\times\:\sqrt{50})} simplified?

9

Simplify \frac{2}{\sqrt5} by rationalising the denominator.

10

What is (3 + √5)(3 – √5) in its simplest form?