Surds are square roots which can’t be reduced to rational numbers. Some can be simplified using various rules or by rationalising the denominator. Simplifying expressions using the laws of indices ...
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.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback