Results are out! Find what you Get quick advice or join the chat
Hey! Sign in to get help with your study questionsNew here? Join for free to post

Mr M’s Edexcel GCSE Mathematics A Higher Linear Paper 2 Answers June 2012

Announcements Posted on
Let our uni choice search tool match you with your perfect university 19-11-2015
  1. Offline

    Mr M’s Edexcel GCSE Mathematics A Higher Linear Paper 2 Answers June 2012

    1. Parallel lines

    133 degrees

    Angles on a straight line sum to 180 degrees

    Corresponding (or alternate) angles are equal (3 marks)

    2. Calculator

    a) 43.736 (2 marks)

    b) 40 (1 mark)

    3. Questionnaire

    a) Any two of: overlapping time periods; no option for more than 4 hours; no option for 2-3 hours; doesn’t say time period (2 marks)

    b) Improved question with non-overlapping boxes and a time period specified (2 marks)

    4. Linear graph

    Correct graph drawn (3 marks)

    5. Garden

    5 boxes - full working needed (5 marks)

    6. Potatoes

    Farm shop - full working needed (4 marks)

    7. Scatter graph

    a) Negative (1 mark)

    b) 11 km (2 marks)

    8. Transformations

    a) Correct rotation (right angle at (4, -1)) (2 marks)

    b) Correct enlargement (right angle at (7, 2)) (3 marks)

    9. Holiday money

    51 (3 marks)

    10. Inequalities

    a) -1, 0, 1, 2, 3 (2 marks)

    b) x < 3.25 (2 marks)

    11. Trial and improvement

    4.6 (4 marks)

    12. Biased dice

    120 (2 marks)

    13. Mean from frequency table

    28.25 minutes (4 marks)

    14. Algebra

    a) p^2+5p-36 (2 marks)

    b) w=-2 (3 marks)

    c) (x+7)(x-7) (1 mark)

    d) 3x^4y^{\frac{3}{2}} (2 marks)

    15. Water meter

    Yes he should get the meter - full working needed (5 marks)

    16. Trigonometry

    48.2 degrees (3 marks)

    17. Compound interest

    £6676.72 (3 marks)

    18. Pythagoras’ Theorem and trigonometry

    16.5 cm (5 marks)

    19. Standard form

    4.9 \times 10^{-5} (3 marks)

    20. Changing the subject

    t=\frac{2d-7}{6} (3 marks)

    21. Proof

    Show expression simplifies to 24n so it is a multiple of 8 (3 marks)

    22. Quadratic formula

    x = 1.72 or x = -0.387 (3 marks)

    23. Sampling

    a) (i) Any student has an equal chance of being selected

    (ii) Putting names in a hat and drawing them out (or other valid method) (2 marks)

    b) 21 (2 marks)

    24. Area of triangle

    29.3 (5 marks)

    25. Biscuits

    \frac{111}{190} (4 marks)

    26. Vectors

    a) b - a (1 mark)

    b) 0.75b + 0.25a (3 marks)
  2. Offline

  3. Offline

    Yes!!!!!! Waited till midnight for that moment
  4. Offline

    (Original post by syd.mclean)
    I think you will find I was first.
  5. Offline

    Haha, waited a long time to see this mark scheme!
  6. Offline

    For question 14 d). is it okay if I wrote 3x^4y√y ?
  7. Offline

    (Original post by ZeqiG)
    For question 14 d). is it okay if I wrote 3x^4y√y ?
  8. Offline

    (Original post by Mr M)
    I think you will find I was first.
    Awfully sorry
  9. Offline

    thank you i think i got between 78-82 depending on how harsh the marking is and if ive included the correct workings
    Non calculator= 55
    135/200, what do you think this will be?
    thanks mr m, such a nice paper!
  10. Offline

    Would putting (a+3b)/4 (as a fraction) be ok for question 26b?
  11. Offline

    can we see the questions aswell i want to remember what question i did to get that specific answer some of them i cant remember
  12. Offline

    Thank you so much, I did really well!
  13. Offline

    (Original post by ColourblindKid)
    Would putting (a+3b)/4 (as a fraction) be ok for question 26b?
  14. Offline

    I thought u had to wait 24 hours
  15. Offline

    For question 10B will i get a mark for putting X=3.25?
  16. Offline

    I'm off to bed now folks but I will answer questions in the morning so you can post them here and I will try to work through them when I get up.
  17. Offline

    (Original post by Mr M)
    Thank you!

    I think I got 97/100, completely messed up question 21
  18. Offline

    would you mind explaining very briefly how you actually get the answer to 25? I think i spend about 20 minutes alone on that question haha (and got it wrong of course!)
  19. Offline

    (Original post by king0617)
    For question 10B will i get a mark for putting X=3.25?
  20. Offline

    Ok thanks a bunch!


Submit reply


Thanks for posting! You just need to create an account in order to submit the post
  1. this can't be left blank
    that username has been taken, please choose another Forgotten your password?
  2. this can't be left blank
    this email is already registered. Forgotten your password?
  3. this can't be left blank

    6 characters or longer with both numbers and letters is safer

  4. this can't be left empty
    your full birthday is required
  1. By joining you agree to our Ts and Cs, privacy policy and site rules

  2. Slide to join now Processing…

Updated: June 1, 2015
TSR Support Team

We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.

Today on TSR

Find your perfect uni

Let us match you to your ideal course

What class are you?
Study resources
Quick reply
Reputation gems: You get these gems as you gain rep from other members for making good contributions and giving helpful advice.