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)

Answered by Kate G. Maths tutor

3687 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Solve 7x+6 > 1+2x


In a sale, an item originally worth £140 is reduced by 15%. What is the new price of the item ?


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


The line l is a tangent to the circle x^2 + y^2 = 40 at the point A. A is the point (2, 6). The line l crosses the x-axis at the point P. Work out the area of triangle OAP.


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo
Cookie Preferences