What is \(\sqrt{32}\) simplified?
\[\sqrt{16 \times 2}\]
\[\sqrt{8}\]
\[4\sqrt{2}\]
Simplify \(\sqrt{98}\).
\[7\sqrt{2}\]
\[\sqrt{49}\sqrt{3}\]
\[7\sqrt{2}\sqrt{7}\]
A square has an area of 50 cm2.
What is the exact length, in simplified form, of one side of the square?
√50 cm
7.07 cm (2 dp)
5√2 cm
What is \(\sqrt{18} - \sqrt{8}\) simplified?
\[\sqrt{3}\]
\[\sqrt{2}\]
\[\sqrt{10}\]
What is \(\sqrt{3} \times \sqrt{12}\) simplified?
6
\[\sqrt{6}\]
\[\sqrt{36}\]
What is \(3\sqrt{7} - \sqrt{28}\) simplified?
7
\[\sqrt{7}\]
\[3\sqrt{7}\]
What is (√5)2 fully simplified?
2√5
√25
5
What is \(\frac{\sqrt{125}}{(\sqrt{18}\:\times\:\sqrt{50})}\) simplified?
\[\frac{5\sqrt{5}}{6}\]
\[\frac{\sqrt{5}}{6}\]
\[\frac{\sqrt{5}}{\sqrt{6}}\]
Simplify \(\frac{2}{\sqrt5}\) by rationalising the denominator.
\[\frac{2\sqrt5}{5}\]
\[\frac{2}{\sqrt{25}}\]
\[\frac{2}{5}\]
What is (3 + √5)(3 – √5) in its simplest form?
1
4
9 - 3√5