AQA June 2016 - Core 1 Question 6

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Video solution for the question on the AQA June 2016 Core 1 paper
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Thank you! Your explanations of the graphs for the discriminant were very helpful :)

beka
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Hi! for question (aii) when u sketch the curve, how do you know -1 is its maximum point

georginasalajoykopasgowaro