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

7364 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Tim stretches by leaning against a pole that is 1.5 metres tall and at a right angle to the floor. Tim is standing 0.5 metres away from the pole, how tall is Tim; leaving your answer in terms of metres? (2.d.p)


Given the two equations [1](3x + 4y = 23) and [2](2x + 3y = 16), find the values of x and y


How do you use the completing the square method to solve a quadratic equation?


Expand and simplify the following; (2 + 3^0.5)^2 - (2 - 3^0.5)^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