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Advice. Read each question carefully before you start to answer it. Try to answer every question. Check your answers if you have time at the end. mathsgenie.co.uk. 1. Solve. 3x = 13, giving your answer to 3 significant figures. (Total for question 1 is 3 marks) 2. Solve. 2x = 32. (Total for question 2 is 2 marks) 3.
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Simplify each of the following logarithmic expressions, giving the final answer as a single fraction. a) log 24 b) log 84 c) log 2 24 ( ) d) 5 1 log 125 1 2, 3 2, 3 4, 3 2 −
Solomon Press C2 EXPONENTIALS AND LOGARITHMS Answers - Worksheet A 1 a log10 1000 = 3 b log3 81 = 4 c log2 256 = 8 d log7 1 = 0 e log3 1 27 = −3 f log32 1 2 = 1 5 − g log19 19 = 1 h log36 216 = 3 2 2 4a 53 = 125 b 2 = 16 c 105 = 100 000 d 230 = 1 e −9 = 3 12 f 10−2 = 0.01 g 23 = 1 8 h 61 = 6 3 a = log7 7 2 7b = log 4 4 3 3c = log 2 2 d = log3 3 = 2 = 3 = 7 = 3 4e = log5 5 f = log8 8 1 ...
Logarithms - Past Edexcel Exam Questions. 1. (Question 7 - C2 May 2018) (i) Find the value of y for which. 1:01y 1 = 500: Give your answer to 2 decimal places. (ii) Given that. 2 log 4(3x + 5) = log 4(3x 3 + 8) + 1; x > 5. (a) show that. 9x2 + 18x. 7 = 0: (b) Hence solve the equation.
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