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

9527 Views

See similar Maths A Level tutors

Related Maths A Level answers

All answers ▸

Express 1/(1+2x)(1-x) in partial fractions


Solve the simultaneous equations: x^2 + y^2 = 10 and x + 2y = 5


Solve the differential equation : dy/dx - x^3 -5x = 0


Find the integral of (3x^2+4x^5-7)dx


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