Learn the basics of simplifying radicals. A radical is an expression having the root/radical symbol. A radical expression can ...

👉 Learn how to multiply radical expressions. A radical is an expression having the root/radical symbol. The number outside ...

Indices show where a number has been multiplied by itself, eg squared or cubed, or to show roots of numbers, eg square root. Check your understanding of the process with this National 5 Maths quiz.