Finding Sum and Product of Roots of a Quadratic Equation

We can find the sum of roots of a quadratic equation without finding its roots. Below is the lesson plan on the concept:

Below are the links to my previous posts on quadratic equations and quadratic functions;

https://steemit.com/steemiteducation/@mathworksheets/solving-quadratic-equations-using-the-formula

https://steemit.com/steemiteducation/@mathworksheets/discriminant-and-nature-of-roots-of-a-quadratic-equation

https://steemit.com/steemiteducation/@mathworksheets/the-quadratic-formula-let-s-drive-it  

https://steemit.com/steemiteducation/@mathworksheets/quadratic-equations-solve-by-completing-the-square-method 

https://steemit.com/steemiteducation/@mathworksheets/completing-the-square-of-a-quadratic-equation-3  

https://steemit.com/steemiteducation/@mathworksheets/solving-quadratic-equations-by-completing-the-square-2 

https://steemit.com/steemiteducation/@mathworksheets/solving-quadratic-equations-by-completing-the-square-1 

https://steemit.com/steemiteducation/@mathworksheets/completing-the-square-of-a-quadratic-equation-algebrically 

https://steemit.com/steemiteducation/@mathworksheets/completing-the-square-of-a-quadratic-function-geometrically 

https://steemit.com/steemiteducation/@mathworksheets/how-to-solve-quadratic-equations-using-the-factoring-method  

https://steemit.com/steemiteducation/@mathworksheets/graphing-the-simplest-quadratic-function  

https://steemit.com/steemiteducation/@mathworksheets/quadratic-functions-an-introduction