How do you do completing the square in quadratic equations?

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I am confused on how you complete the square and also how you would answer a questions which has a shape but asks for a quadratic equation.

Posted Tue 12th March, 2013 @ 22:28 by Rianne B

3 Answers

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This might help you: http://www.bbc.co.uk/schools/gcsebitesize/maths/algebra/quadequationshirev2.shtml

Answered Wed 13th March, 2013 @ 15:49 by Varshini
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I am not sure about the shape bit, but I have a resource about completing the square I uploaded.

http://getrevising.co.uk/resources/completing_the_square4

Its a scan so it a little wonky, but you can still see it. You may have this book already, so i hope I didn't waste your time. Feel free to comment on my resource. Hope it helps. 

evie

Answered Wed 13th March, 2013 @ 15:58 by evie4learning
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This video might help 

http://www.youtube.com/watch?v=bNQY0z76M5A

Answered Wed 13th March, 2013 @ 19:46 by Yasmin