Finding the equation of a circle given three points

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Resources on this page:
Video going through the question | Worked solution | Key points

Pure 1 Ex 6F Q5 - a worked solution is at the bottom of this page

Remember: productive practice is perfect preparation

• Once you have seen and understood how to do the question then do it yourself
• If you used help then after a few days retry the question without help

Key Points

You need to be able to:

• Recall the general equation for a circle (Century MH24.22: Equations of Circles)
• Solve linear simultaneous equations (Century MF19.23: Simultaneous Equations 3: Scale Both Equations)