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# Mr M's OCR (not OCR MEI) Core 1 Answers May 2013 Watch

1. Hi, I'm getting quite worried about question 7, as I know perfectly well how to find the equation of a line but have a feeling I rushed it and messed up...

Was the x intercept for the tangent (3,0)?
2. (Original post by Mr M)
You're wrong. The cute writing won me over.
You legend
3. hello I was just wondering if you had the questions for this paper?
4. I don't know if anyone is still on this page, but i would really appreciate it if you could explain the method for 4i? I got set this for homework and I'm completely stuck! (what topic does it even come under?)
5. (Original post by izzyft)
I don't know if anyone is still on this page, but i would really appreciate it if you could explain the method for 4i? I got set this for homework and I'm completely stuck! (what topic does it even come under?)
From looking at the answers, I assume that it is completing the square.
6. (Original post by tiny hobbit)
From looking at the answers, I assume that it is completing the square.
yes i realised that after posting this!
8. Mr M, will you be doing a M2 (not MEI) mark scheme? Thank you
9. (Original post by User153)
Arsey might upload edexcel Mr M does the ocr syllabus

Posted from TSR Mobile
10. (Original post by Mr M)
Mr M's OCR (not OCR MEI) Core 1 Answers May 20139

1. (i) (2 marks)

(ii) (1 mark)

(iii) (1 mark)

2. or (5 marks)

3. (i) (3 marks)

(ii) (2 marks)

4. (i) (3 marks)

(ii) (3 marks)

(iii) (2 marks)

5. (i) Correct sketch (2 marks)

(ii) (2 marks)

(iii) Stretch scale factor parallel to y axis (2 marks)

6. (i) Centre and radius (3 marks)

(ii) (2 marks)

7. (i) (2 marks)

(ii) (5 marks)

8. (7 marks)

9. (i) Correct sketch with intersections at (-1.5, 0) and (2, 0) and (0, -6) (5 marks)

(ii) OR (either will be marked correct) (3 marks)

(iii) (4 marks)

10. (i) (7 marks)

(ii) Minimum (2 marks)

(iii) (5 marks)

I'll be around to answer questions shortly.

everyone is need of answers hahaha
11. (Original post by Ferrari94)
everyone is need of answers hahaha
Exam board rules mean that papers are not released to teachers for 24 hours.
12. (Original post by Mr M)
Exam board rules mean that papers are not released to teachers for 24 hours.
Ok thanks for the heads up

Did your students find it a nice exam ?
13. (Original post by Ferrari94)
Ok thanks for the heads up

Did your students find it a nice exam ?
Yes they found it easy.
14. (Original post by Mr M)
Certain to confuse as f(x) did not equal 1/x^2.
which is why I stated IF f(x) = . . .

15. (Original post by Mr M)
Yes they found it easy.
Hi Mr M, I used a non-HB pencil for my graph. Will that be a problem?
16. (Original post by shaseb)
Hi Mr M, I used a non-HB pencil for my graph. Will that be a problem?
No.
17. (Original post by Mr M)
No.
Thank you SO much, I was freaking out thinking that the scanner wouldn't read it because I used a regular pencil instead of a HB one.

Do you think a 66 would get an A in this paper or would the grade boundaries be ridiculous because it was a pretty easy paper?

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