Take this Quiz: GCSE Maths: Surds and Indices (Higher) | Zestly

Question 1

Evaluate the expression $8^{2/3}$ without using a calculator.

Accepted Answer

4

Question 2

Expand and simplify $(3 + \sqrt{5})(3 - \sqrt{5})$.

Accepted Answer

4

Question 3

Which of the following are equivalent to the expression $(a^2 b^3)^4$?

Accepted Answer

$a^8 b^{12}$

Question 4

Rationalise the denominator of $\frac{10}{\sqrt{5}}$.

Answer

$5\sqrt{2}$

Answer

$2\sqrt{5}$

Answer

$\sqrt{5}$

Answer

$\frac{2}{\sqrt{5}}$

Question 5

Simplify $\frac{x^5 \cdot x^{-2}}{x^3}$.

Answer

$x^6$

Answer

$x^{10}$

Answer

$x^1$

Answer

1