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

5888 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

There are two points 'A' and 'B' on a graph, their coordinates are (0,1) and (10,6) respectively. 1)Find the equation of the line that runs through both of these points.2)Find the equation of a line perpendicular to this through point 'B'.


You are given a square which you are told has a total area of 100 squared centimetres. You are also told that one side of the square has dimension 4(3x + 2), and the other has dimension 8x - y. What are the values of x and y?


Solve (x+1)/3+(2x+5)/4=2


Make a the subject of the formula f=(a+1)/2


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