Mei ocr maths - Study guides, Class notes & Summaries

OCR AS LEVEL JUNE 2022 MATHEMATICS MATHS B MEI PAPER 1 PURE MATHS AND MECHANICS FINAL MARKSHEME

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The Circle Formula - ANS-(x - a)² + (y - b)² = r² Where (a,b) is the centre and (x,y) is any point on the circle. The Discriminant - ANS-b² - 4ac Where 0 gives a tangent (repeated root); > 0 gives two real roots; < 0 gives no real roots; d²y/dx² > 0 = minimum point SUVAT - ANS-v = u + at s = ut + 0.5at² v² = u² + 2as s = vt - 0.5at² s = 0.5t(u + v) Product Rule - ANS-dy/dx = u(dv/dx) + v(du/dx) Quotient Rule - ANS-dy/dx = (v(du/dx) - u(dv/dx)) / v² Where the ori...

These OCR (MEI) A/AS level pure maths 'cheat sheets' contain everything you need to know for chapters 19-21, including notes, diagrams and worked examples of questions.

OCR A LEVEL MATHEMATICS, MATHS B (MEI) PAPER 2 H640/02: MARK SCHEME JUNE 2022; PURE MATHS AND STATISTICS. Y is the number of 12s obtained in 30 rolls; 0.16 – 0.163 BC A1 1.1 allow B2 for 0.1628 – 0.163 unsupported [2] 12 (a) H0 : μ = 1.5 H1 : μ < 1.5 B1 1.1 both hypotheses in terms of μ μ is the population mean weight of flour in a bag B1 2.5 allow μ is the population mean weight of a bag of flour [2] Question Answer Marks AO Guidance 12 (b) N (

OCR A LEVEL MATHEMATICS MATHS B MEI PAPER 2 H640/02: FINAL MARK SCHEME JUNE 2022; PURE MATHS AND STATISTICS.

OCR A LEVEL MATHEMATICS MATHS B MEI PAPER 2 H640/02: FINAL MARK SCHEME JUNE 2022; PURE MATHS AND STATISTICS.

OCR AS LEVEL JUNE 2022 MATHEMATICS MATHS B MEI PAPER 1 PURE MATHS AND MECHANICS FINAL MARKSHEME