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Logs

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Question 1

Solve

a.

5x=85^x = 85x=8 , giving your answer to 3 significant figures,

[3]
b.

log⁡2(x+1)−log⁡2x=log⁡27\log_2(x + 1) - \log_2 x = \log_2 7log2​(x+1)−log2​x=log2​7 .

[3]

Logs Questions

  1. A Level
  2. /Old Maths
  3. /Logs

Practise Edexcel A Level Old Maths Logs with exam-style questions for A Level Old Maths. 16 questions, matched to the Edexcel A Level Old Maths (9371) specification and written in Unit exams C1, C2, C3 and C4 plus two applied units (e.g. S1 and M1) 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.

Question bank

Factor Theorem and Remainder Theorem
The Binomial Expansion
Sequences and Series
Coordinate Geometry - Cirlces
LogsGeometry - Sine Rule, Cosine Rule, Sectors, Arcs
The Trapezium Rule
Trigonometry