How do you use the quadratic formula?

Every quadratic equation is in the form: ax2 + bx + c The quadratic formula is as follows: [ -b ± sqrt(b2 - 4ac) ] / 2a The quadratic formula finds you the roots of the quadratic equation.

TD
Answered by Tutor52832 D. Maths tutor

3628 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

It is given that sin(x) = 1/2. Find the value of sec(x)


How do I work out the exact value of a number which is expressed as an indice, for example 81^-1/4


A right angled triangle has two short sides of lengths 5cm and 12cm respectively. What is the length of the third side?


Express x*2 + 10x - 3 in the form (x+p)*2 + q


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