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CIE – 0580 Mathematics IGCSE Paper 22, May/June 2015 – Answers
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2 thoughts on “CIE – 0580 Mathematics IGCSE Paper 22, May/June 2015 – Answers

  • May 3, 2016 at 7:54 am
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    In page 12 question 21 how exactly did you get the 10 , ididnt understand your method only in the first step , can you plzz explain??

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    • May 3, 2016 at 8:11 am
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      the given quadratics can be written as (x+m)^2+n so they are equal. I’ve expended the second form and equate the coefficinets for x^2, x and free term. so I’ve got 2m=4 giving m=2 and subtituting it in m^2+n= -4 will give you n=-10

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