GESS Logarithms Revision Worksheet

Name: Class : Sec 3( 4. Date Do your work on foolscap paper. Show your working clearly. Solve the equation e" (2e-3) = 5. Given that x= Iga is a solution of the cquation 10** -700)= 26. find the value of a. 3. If lg.xy=a and lg -, express lg in terms of a and b. GESS Find also the value of log, N when a = 5. Solve the cquation log, x + log, (7-3*) = Given that log, N = (log, 24 -log, 0.375 + 6log, 3), find the value of N. AnswerS: 1. x=0.916 6. Solve the equation (log, 27)(log )=log, X. 2. a=2 GAN ENG SENG SCHOOL ADDITIONAL MATHEMATICS REVISION WORKSHEET 7. Solve the equation log,(x + 5) -log(x-1) =log, 2. 3. 1g _-a-4b 5. -or2 7. x=3 (Logarithms) 4. N=216, log, N=-13.3 6. x=27 3 )