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1.5.3 Quadratic functions

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Question 6
85%
a.

Express 3x2−15x+43x^2 - 15x + 43x2−15x+4 in the form a(x+b)2+ca(x + b)^2 + ca(x+b)2+c

[3]
b.

State the coordinates of the minimum point of the curve y=3x2−15x+4y = 3x^2 - 15x + 4y=3x2−15x+4

[2]
c.

State the equation of the normal to the curve y=3x2−15x+4y = 3x^2 - 15x + 4y=3x2−15x+4 at its minimum point.

[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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