GCSE Secondary Maths Age 13-17 - Algebra: Quadratic Equation - Explained

The video tutorial explains how to solve a quadratic equation using the quadratic formula. It begins by identifying the coefficients A, B, and C, and then substitutes these values into the formula. The tutorial emphasizes the importance of handling negative signs correctly, especially when calculating the discriminant. It demonstrates how to derive two solutions and rounds them to three significant figures. The video also highlights common mistakes students make, such as incorrect handling of negative numbers and squaring errors.

How do you calculate the value under the square root in the quadratic formula?

What are the final solutions to the quadratic equation rounded to three significant figures?

What common mistakes do students make when solving quadratic equations?