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

7150 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve 3(2x + 5) = 4 – x


A curve is given by the equation y=x^3-11x^2+28x; find the coordinates of the points where the curve touches the x-axis.


See answer section


Solve the simultaneous equations 2x + 3y = 19 , 3x + y = 11


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