Year 10Maths

Solve where x² + y² = r and x + y = 3 (substituting)

Lesson outcome

In this lesson, we will solve simultaneous equations by substituting a linear equation into a quadratic equation. Examples include quadratics of the form x² + y² = r and x + y = 3, where r can be a square number.
intro
Introduction
Prepare
chevron-right
quiz
Starter quiz
Activate - 3 Questions
chevron-right
video
Lesson video
Learn
chevron-right
quiz
Exit quiz
Check - 3 questions
chevron-right