Class 10 · Mathematics (Standard) · Unit 4: Quadratic Equations

Word-Problem Strategies

Lesson 6 of 6

Common contexts: area/perimeter, speed–time, age, work–rate, consecutive numbers. Set a variable, translate the wording into a quadratic, solve, and reject any answer that is negative or otherwise infeasible in the physical setup.

Sum and Product of Roots

Unit complete

Try the practice skills

All lessons in this unit

1. Standard Form and Roots
2. Solving by Factorisation
3. Completing the Square
4. Nature of Roots via Discriminant
5. Sum and Product of Roots
6. Word-Problem Strategies