What are the best revision books for Edexcel GCSE maths A linear?

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Katie97
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I have one book that school gave us at the start of GCSEs but I'm not finding it helpful. Any suggestions/which one you guys use? appreciate it thanks! :bl:
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Paralove
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I used one that I think was an edexcel one. It was light blue. There was a revision guide and a workbook... It really helped! Has all 3 units


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gdunne42
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(Original post by Katie97)
I have one book that school gave us at the start of GCSEs but I'm not finding it helpful. Any suggestions/which one you guys use? appreciate it thanks! :bl:
These 2 (the guide AND the workbook):
http://www.bookdepository.co.uk/GCSE.../9781446900185
http://www.bookdepository.co.uk/GCSE.../9781446900154

probably the same as Paralove is recommending
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Katie97
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That is the one school gave everyone! I just find on harder things like the unit 3, it doesn't help me very much!
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gdunne42
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(Original post by Katie97)
That is the one school gave everyone! I just find on harder things like the unit 3, it doesn't help me very much!
Unit 3 ???? then do you mean modular?
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mia_hilton
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hi guys, can anyone please help me on this question that i'm stuck on?..please
6. A straight line, L, passes through the point with coordinates (4, 7) and is perpendicular to the
line with equation y = 2x + 3.
Find an equation of the straight line L.
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Katie97
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No. It's just easier to explain which topics I hate because they're all in that unit 3, I'm glad I'm not doing modular because I'd get a big fat U on that exam.
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RGoodwin1957
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Remember that if your line is perpendicular the gradient will be the negative reciprocal of the original line, in this case your gradient is - 0.5. Now substitute your x value ( 4 ) and y value ( 7 ) into y = mx + c to find the value of c ( the y-intercept )
So, 7 = - 0.5 x 4 + c, giving c the value 9. Your new equation is now y - 0.5 x + 9. Hope this helps from Mr. G
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sarah_j_jane
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(Original post by Katie97)
That is the one school gave everyone! I just find on harder things like the unit 3, it doesn't help me very much!
I had the exact same issue, it's good for practice but not if you don't know much
I've found that CGP books are generally very helpful when it comes to revision: "cgp edexcel maths gcse" try:
http://www.theworks.co.uk/p/gcse-boo...FYIfwwodtlkAsg
or
http://www.theworks.co.uk/p/gcse-boo...FfMZtAodRywAlw
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