SOLUTION: how to find the sum and products of the roots of roots of quadratic expression?

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: how to find the sum and products of the roots of roots of quadratic expression?      Log On


   

Question 484779: how to find the sum and products of the roots of roots of quadratic expression?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The roots are
%28-b%2F2a%29+%2B+sqrt%28b%5E2+-+4ac%29%2F2a and
%28-b%2F2a%29+-+sqrt%28b%5E2+-+4ac%29%2F2a
---------------------------------- Add
= -b/a is the sum
------------------
(x - m)*(x - n) = 0 is the quadratic with solution m & n
The product is m*n = c
in ax^2 + bx + c = 0