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1.2 Algebra and Functions

1.2 Algebra and Functions

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Question 173

It is given that f(x)=x3+kx−2f(x) = x^3 + kx - 2f(x)=x3+kx−2 where k k\,k is a constant, and that (x−2)(x - 2)(x−2) is a factor of f(x)f(x)f(x).

a.

Find the value of kkk.

[2]
b.

Solve the equation f(x)=0f(x) = 0f(x)=0.

[4]
Markscheme

1.2 Algebra and Functions Questions

  1. A Level
  2. /Maths
  3. /1.2 Algebra and Functions

302 exam-style questions on WJEC A Level Maths 1.2 Algebra and Functions, covering 1.2.1 Algebra and Functions, 1.2.2 Algebra and Functions, 1.2.3 Algebra and Functions, 1.2.4 Algebra and Functions, 1.2.5 Algebra and Functions, 1.2.6 Algebra and Functions, 1.2.7 Algebra and Functions, 1.2.8 Algebra and Functions, 1.2.9 Algebra and Functions, 1.2.10 Algebra and Functions, 1.2.11 Algebra and Functions, and 1.2.12 Algebra and Functions. Each one has a worked solution and a mark scheme showing where the marks go.

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