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1.1 Algebra and functions

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Question 30
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

1.1 Algebra and functions Questions

  1. A Level
  2. /Maths
  3. /1.1 Algebra and functions

306 exam-style questions on CCEA A Level Maths 1.1 Algebra and functions, covering 1.1.1 Algebra and functions, 1.1.2 Algebra and functions, 1.1.3 Algebra and functions, 1.1.4 Algebra and functions, 1.1.5 Algebra and functions, 1.1.6 Algebra and functions, 1.1.7 Algebra and functions, 1.1.8 Algebra and functions, 1.1.9 Algebra and functions, 1.1.10 Algebra and functions, 1.1.11 Algebra and functions, 1.1.12 Algebra and functions, 1.1.13 Algebra and functions, and 1.1.14 Algebra and functions. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank