Algebra · Classes 9, 10, 11

Sum of Quadratic Roots

Sum of roots of ax²+bx+c=0.

FORMULA
\(\alpha+\beta=-\frac ba\)

Worked example

x²−5x+6 roots sum = 5

Understand this formula

Sum of roots of ax²+bx+c=0.

Check measurement units, mathematical domains and rounding before applying any result in an examination.

Practice maths →