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Please note that 6x2 -12x -18 is *NOT* (x-3)(x+1)

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Factorize the 6 out.

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1(c) when the square root is in the original question, there’s no need to put +/-. The answer is only positive. 

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1(c) when the square root is in the original question, there’s no need to put +/-. The answer is only positive. 

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1(a)(i) What is incomplete in the following answer? 

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1(a)(i) What is incomplete in the following answer? 

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Question: Factorise completely
2x²-18.

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Please do correction

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Please do corrections

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When they ask you to comment in 2 ways, you MUST TALK about median and interquartile range or standard deviation depending on whether they give you cumulative frequency curve or box and whisker plots.
Use median to compare performance
Use IQR or standard deviation to compare spread. I want to see the word S P R E A D!

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Solution: YOU MUST USE THE QUADRATIC FORMULA - do not use short cut by pressing the calculator to give you the final answers - no marks will be given even if you got the two answers right.

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Solution: YOU MUST USE THE QUADRATIC FORMULA - do not use short cut by pressing the calculator to give you the final answers - no marks will be given even if you got the two answers right.

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Solution : YOU MUST STATE THE REASONS - don’t invent your own properties - know your circle properties well. 

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Solution : YOU MUST STATE THE REASONS - don’t invent your own properties - know your circle properties well. 