Skip to content

Solving quadratic equations by using the formula

Lesson 3 / 20

Lesson video

The video is not available yet.

Lesson slides

not available yet

Lesson details

Lesson outcome

I can solve quadratic equations algebraically by using the formula.

Show transcript
The quadratic formula can be derived from the general form of a quadratic equation. It can be derived by completing the square. The formula is useful when the quadratic cannot be easily factorised. Technology can be used to identify solutions and is useful for checking.

Worksheet

not available yet

Quizzes

This quiz is not available yet.

What pupils see

The same lesson as a pupil sees it. You can set any section as work on its own.

  • IntroductionPrepare · Not available
  • Starter quizActivate · Not available
  • Lesson videoLearn · Not available
  • Exit quizCheck · Not available
This content is by Cashar and published under an open licence.