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Algebraic Expressions

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Question 9
i.

Solve the equation

x+20=x5 x + \sqrt{20} = x\sqrt{5} x+20​=x5​

writing the answer as a surd in its simplest form.

[3]
ii.

Solve the equation

25x+1=55 25^{x+1} = 5\sqrt{5} 25x+1=55​
[3]
Markscheme

Algebraic Expressions Questions

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

134 exam-style questions on Edexcel AS 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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