Write sqrt(75) in simplified surd form.

First you want to find a square number that is a factor of 75. In this case it is 25, as 25 x 3 = 75 . With this information you can expand the surd into:sqrt(25) x sqrt(3)
As 5^2 = 25, this can become:5 x sqrt(3) or 5sqrt(3)

KG
Answered by Kate G. Maths tutor

5876 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve algebraically the simultaneous equations x^2 + y^2 = 25 and y - 3x = 13


GCSE Maths: Expand and simpify 14(3x-7y)-2x(21-y)


Factorise the expression: 8x + 32


I struggle with long worded questions


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2026 by IXL Learning