OCR C2 2011 January — Question 4

Exam BoardOCR
ModuleC2 (Core Mathematics 2)
Year2011
SessionJanuary
TopicExponential Equations & Modelling
4
  1. Use logarithms to solve the equation \(5 ^ { x - 1 } = 120\), giving your answer correct to 3 significant figures.
  2. Solve the equation \(\log _ { 2 } x + 2 \log _ { 2 } 3 = \log _ { 2 } ( x + 5 )\).
This paper (9 questions)
View full paper
Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9