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Algebraic Methods

Algebraic Methods

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Question 11

f(x)=x3+6x2+4x−15f(x) = x^3 + 6x^2 + 4x - 15f(x)=x3+6x2+4x−15

a.

Use the factor theorem to show that x=−3x = -3x=−3 is a solution to f(x)=0f(x) = 0f(x)=0

[2]
b.

Find the other solutions to the equation f(x)=0f(x) = 0f(x)=0 giving your answers to 2 decimal places

[5]
Markscheme

Algebraic Methods Questions

  1. AS Level
  2. /Maths
  3. /Algebraic Methods

40 exam-style questions on Edexcel AS Level Maths Algebraic Methods, covering 7.1 Algebraic Fractions, 7.2 Dividing Polynomials, 7.3 The Factor Theorem, 7.4 Mathematical Proof, and 7.5 Methods of Proof. Each one has a worked solution and a mark scheme showing where the marks go.

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