Topical Revision Worksheet 3 Logarithm Student Version

Adapted from HCI Resources 1 Hwa Chong Institution Integrated Programme Secondary Three Mathematics Name: _______________________________ ( ) Class: _________ Date: _____________ Topical Revision Worksheet 3 _________________________________________________________________________________ Topic: Logarithm Question 1 [2008 EOY, Q7] marks Solve the following equations for x: Answer: (Note: is rejected because is undefined) [4] Question 2 [2009 EOY, Q10] marks Solve the following equations: (a) , Answer: (rej) [4] (b) , Answer: or [5] (c) . Answer: [4] Question 3 [2010 EOY, Q13] marks Solve the following equations: (a) Answer: [3] (b) Answer [3]

Adapted from HCI Resources 2 Question 4 [2010 EOY, Q14] marks Solve the pair of simultaneous equations Answer: But if , and will be undefined, hence Answer rejected When , [6] Question 5 [2011 EOY, Q13] marks Solve the following equations (a) , Answer: [4] (b) Answer: [4] Question 6 [2012 EOY, Q3] marks Solve the equation . Answer: [4] Question 7 [2013 EOY, Q1c] marks Solve the equation . Answer: [3] Question 8 [2014 EOY, Q3] marks (a) Solve the equations Answer: [4]

Adapted from HCI Resources 3 (b) Answer: [5] Question 9 [2015 EOY, Q6] marks Solve the following equations. (a) , Answer: [2] (b) . Answer: [4]