Find the value of the discriminant of x2 + 6x + 11

For a quadratic equation in the form ax^2+bx+c=0 the determinant is given by b^2-4ac and is used to help identify the types of roots of the equation. In this case, the determinant is (6)^2-4(1)(11) which is equal to -8.

EC
Answered by Emily C. Maths tutor

9477 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Show that (sec(x))^2 /(sec(x)+1)(sec(x)-1) can be written as (cosec(x))^2.


Given y = x(3x+ 5)^3. Find dy/dx.


Integrate tan (x) with respect to x.


Why do I have to add +c when I integrate?


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