GCSE Mathematics 1MA0 -Pearson Edexcel GCSE

CSE Mathematics 1MA0 Formulae: Higher Tier You must not write on this formulae page. Anything you write on this formulae page will gain NO credit. Volume of prism = area of cross section × length Area of trapezium = 1 2 (a + b)h Volume of sphere = 4 3 ʌU 3 Volume of cone = 1 3 ʌU 2 h Surface area of sphere = 4ʌU 2 Curved surface area of cone = ʌUO In any triangle ABC The Quadratic Equation The solutions of ax2 + bx + c = 0 where D0, are given by x b b ac a = − ± ( − ) 2 4 2 Sine Rule a A b B c sin sin sinC = = Cosine Rule a2 = b2 + c2 – 2bc cos A Area of triangle = 1 2 ab sin C length section cross b a h r l r h C b a c A B Answer ALL questions. Write your answers in the spaces provided. You must write down all stages in your working. 1 The list below shows the weight, in grams, of 15 baskets of strawberries. Show this information in an ordered stem and leaf diagram. You must include a key. Key: (Total for Question 1 is 3 marks) 2 (a) Dan is doing a survey to find out how much time students spend playing sport. He is going to ask the first 10 boys on the register for his PE class. This may not produce a good sample for Dan’s survey. Give two reasons why. Reason 1