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Algebraic Expressions

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Question 15
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Given that k k\,k is an integer, express 18−k4−8\displaystyle \frac{\sqrt{18}-k}{4-\sqrt{8}}4−8​18​−k​ in the form a+b2a+b\sqrt{2}a+b2​ where a a\,a and b b\,b are rational expressions in terms of kkk.

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Algebraic Expressions Questions

  1. A Level
  2. /Maths
  3. /Algebraic Expressions

Practise Edexcel A Level Maths Algebraic Expressions with exam-style questions for A Level Maths. 31 questions covering 1.1 Index Laws, 1.2 Expanding Brackets, 1.3 Factorising, 1.4 Negative and Fractional Indices, and 1.5 Surds, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

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