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1.9 F: Exponentials and logarithms

1.9 F: Exponentials and logarithms

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Question 31

It is given that y=log⁡2xy = \log_2 xy=log2​x.

Find expressions in terms of y y\,y for each of the following.

a.

log⁡2x2\log_2 x^2log2​x2

[2]
b.

log⁡22x\log_2 2xlog2​2x

[2]
c.

log⁡8x\log_8 xlog8​x

[2]
Markscheme

1.9 F: Exponentials and logarithms Questions

  1. A Level
  2. /Maths
  3. /1.9 F: Exponentials and logarithms

62 exam-style questions on AQA A Level Maths 1.9 F: Exponentials and logarithms, covering 1.9.1 Exponential functions and their graphs, 1.9.2 Gradient of e^kx (A-level only), 1.9.3 Logarithms as inverse functions, 1.9.4 Laws of logarithms, 1.9.5 Solving exponential equations, 1.9.6 Logarithmic graphs to estimate parameters (A-level only), and 1.9.7 Exponential growth and decay. Each one has a worked solution and a mark scheme showing where the marks go.

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