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7.3 The Factor Theorem

7.3 The Factor Theorem

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Question 6

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

7.3 The Factor Theorem Questions

  1. AS Level
  2. /Maths
  3. /7.3 The Factor Theorem

6 exam-style questions on Edexcel AS Level Maths 7.3 The Factor Theorem. Each one has a worked solution and a mark scheme showing where the marks go.

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