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

3624 Views

See similar Maths GCSE tutors

Related Maths GCSE answers

All answers ▸

Sketch the curve y = x^2 - 6x + 5, identifying roots and minima/maxima.


Draw the following inequality on a graph: x^2+4x+1<-2


Factorise (5x^2 + 7x + 2)


Expand and simplify (3x^2 + 2)(2x + 5) – 6x(x^2 – 3)


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