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Exponentials and Logarithms

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Question 91

Given that x>0x > 0x>0, find expressions in terms of y y\,y for log⁡2x \log_2 x\,log2​x if

a.

y=log⁡2x2y = \log_2 x^2y=log2​x2

[2]
b.

y=log⁡22xy = \log_2 2xy=log2​2x

[2]
c.

y=log⁡8xy = \log_8 xy=log8​x

[2]
Markscheme

Exponentials and Logarithms Questions

  1. A Level
  2. /Maths
  3. /Exponentials and Logarithms

277 exam-style questions on Edexcel A Level Maths Exponentials and Logarithms, covering 14.1 Exponential Functions, 14.2 y = e^x, 14.3 Exponential Modelling, 14.4 Logarithms, 14.5 Laws of Logarithms, 14.6 Solving Equations using Logarithms, 14.7 Working with Natural Logarithms, and 14.8 Logarithms and Non-Linear Data. Each one has a worked solution and a mark scheme showing where the marks go.

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