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1.5.3 Quadratic functions

1.5.3 Quadratic functions

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Question 32

A curve C C\,C has equation y=f(x)y = f(x)y=f(x), where f(x)=5+8x−2x2f(x) = 5 + 8x - 2x^2f(x)=5+8x−2x2

a.

Express f(x)f(x)f(x) in the form a(x+b)2+ca(x + b)^2 + ca(x+b)2+c, where aaa, b b\,b and c c\,c are constants to be found.

[3]
b.

Write down the coordinates of the maximum turning point of CCC.

[2]
Markscheme

1.5.3 Quadratic functions Questions

  1. A Level
  2. /Maths
  3. /1.5.3 Quadratic functions

63 exam-style questions on AQA A Level Maths 1.5.3 Quadratic functions. Each one has a worked solution and a mark scheme showing where the marks go.

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