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1.5.3 Quadratic functions

1.5.3 Quadratic functions

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Question 18
70%
a.

Express 2x2+9x+k2x^2 + 9x + k2x2+9x+k in the form a(x+b)2+ca(x + b)^2 + ca(x+b)2+c

[3]
b.

Find the values of k k\,k for which the curve y=2x2+9x+ky = 2x^2 + 9x + ky=2x2+9x+k does not intersect the line y=2y = 2y=2

[3]
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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