Finding a Turning Point Using Completed Square Form - GCSE Higher Maths

A video explaining how to find the coordinates of a turning point by completing the square.

Exam Question Booklets:📝

Videos to watch before:

0:00 Introduction
0:18 What is a vertex/turning point?
0:37 First example - Completing the Square
1:11 First example - Plotting the graph
3:32 First example - The quicker approach
5:25 Practice Questions
6:10 Second Example
6:53 Third Example (with a negative x squared)
8:34 Fourth Example (the most difficult type)

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[ricardo-cll]

Thank you for such a well laid-out video! It must have been a labour of love. Many teachers take an empirical approach for why the x-coordinate turns negative, but your clear explanation makes it so much easier to understand. I'm still perplexed as to why the value outside the brackets is first squared then subtracted. NVM- you probably have the most under-rated YouTube maths channel. 😊

[hamadhawari]

Can you make more videos? They’re really good.

[eipimath]

Thanks for sharing! I posted a video on completing the square using remainder theorem. Let me know your opinion.

[airplanevibes]

Sir you have made an AMAZING video. Can't thank you enough 🙌