Quadratic Equations — Part 1: Standard form, factorisation and the formula: visual lesson, CBSE Class 10 Mathematics (Standard 041 / Basic 241)

Lesson

Quadratic Equations, Part 1: Solving them

A quadratic equation asks: where does a parabola meet the $x$ -axis?

In this lesson you will

The roots of $x^2 - x - 6 = 0$ are where the graph meets the $x$-axis: $-2$ and $3$.

Concept

Diagram

A quadratic equation can be written as $ax^2 + bx + c = 0$ with $a \ne 0$ . Always simplify first — terms may cancel.