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

7216 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve the following simultaneous equations: 2a-5b=11, 3a+2b=7


Factorise this formula completely 2kx + 6ky + 4kz


Solve the inequality 7x+3y-4 > 5y-19x for y in terms of x.


In a sale, the original price of a bag was reduced by 1/5. The sale price of the bag is £29.40. Work out the original price.


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