Sum of Roots (Quadratic)
sum of roots equals minus b over a
Definition
For ax² + bx + c = 0, the sum of the two roots equals −b/a.
Related Formulas
Sum of Zeroes (Quadratic Polynomial)
sum of zeroes polynomial
Product of Zeroes (Quadratic Polynomial)
product of zeroes polynomial
Discriminant of Quadratic
discriminant b squared minus 4ac
Study Tools
Question
Sum of Roots (Quadratic)
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Answer
sum of roots equals minus b over a
For ax² + bx + c = 0, the sum of the two roots equals −b/a.
Used In
- Algebra
Frequently Viewed Together
Area of Circle
A = pi*r*r
Quadratic Formula
quadratic formula roots
Pythagoras Theorem
c*c = a*a + b*b