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# Edexcel Maths Calculator

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1. Can someone explain to me how you find the minimum and maximum point/value in a graph?
2. (Original post by FLAKS)
Can someone explain to me how you find the minimum and maximum point/value in a graph?
There are various ways

Are you studying GCSE or A Level
3. GCSE, I'm not sure how to do it, I don't know if its as simple as just looking for the minimum value of Y..
4. (Original post by FLAKS)
GCSE, I'm not sure how to do it, I don't know if its as simple as just looking for the minimum value of Y..
You need to complete the square

Has a minimum point at (a,b)
5. (Original post by TenOfThem)
You need to complete the square

Has a minimum point at (a,b)
If the graphs equation was y=x^2-3x-1, how would you find the minimum value of Y?
6. (Original post by FLAKS)
If the graphs equation was y=x^2-3x-1, how would you find the minimum value of Y?
As I said

You need to complete the square
7. (Original post by TenOfThem)
As I said

You need to complete the square
Alright, thank you (:
8. I forgot How to complete the square so could somebody explain
9. (Original post by mcmuzzi98)
I forgot How to complete the square so could somebody explain
10. (Original post by TenOfThem)
So could you show me how you would work this one out x^2-14x+63=
11. (Original post by mcmuzzi98)
So could you show me how you would work this one out x^2-14x+63=
What have you been doing for the past two years in maths?
12. (Original post by lolface32)
What have you been doing for the past two years in maths?
What do you mean
13. (Original post by mcmuzzi98)
So could you show me how you would work this one out x^2-14x+63=

Can you not use the formula that I gave

What is p
What is q
14. (Original post by mcmuzzi98)
What do you mean
What I mean is that this stuff is easy?
15. (Original post by lolface32)
What I mean is that this stuff is easy?
It may be easy to you, but that doesn't give you the right to imply/insult another member.
16. (Original post by joostan)
It may be easy to you, but that doesn't give you the right to imply/insult another member.
I'm sorry, it is just that I have had to teach myself this in the space of 1 week, the whole edexcel syllabus. The fact that he has more than likely had a lot more time is just ridiculous, he only starts caring when we are one day away from the exam
17. (Original post by lolface32)
he only starts caring when we are one day away from the exam
That is rather presumptive
18. (Original post by TenOfThem)
That is rather presumptive
hahahaha, yeah it actually is after reading back I'm just stressed
19. Woaho, calm down people, exam is today, just relax and do as best as you can. Remember, do the questions that you are confident with first.
20. I'm closing this thread now to reduce the temptation for people to discuss how the paper before the embargo ends at midnight.

Updated: March 4, 2013
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