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Algebraic Expressions

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Question 118

Given that k k\,k is an integer, show that

18−k4−8=(32−12k)+(32−14k)2. \frac{\sqrt{18}-k}{4-\sqrt{8}}=\left(\frac{3}{2}-\frac{1}{2}k\right)+\left(\frac{3}{2}-\frac{1}{4}k\right)\sqrt{2}. 4−8​18​−k​=(23​−21​k)+(23​−41​k)2​.
[4]
Markscheme

Algebraic Expressions Questions

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

233 exam-style questions on Edexcel A Level Maths Algebraic Expressions, covering 1.1 Index Laws, 1.2 Expanding Brackets, 1.3 Factorising, 1.4 Negative and Fractional Indices, and 1.5 Surds. Each one has a worked solution and a mark scheme showing where the marks go.

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