1. Solve for x: 3X = 81 a. 4 b. 2 C. 3 d. 5 2. 4X2 - 2X _ 64. X = a. 3, -1 b. -4, 1 C. -3, 1 d. 4, -1 3. When solving 5% = 9, what is an intermediate step? a. X = (log10 9) (log10 5) b. X = 1 (log10 9) (log10 5) log10 9 C. X= log10 5 log10 5 d. X= log10 9 4. 5x = 9 . X = a. 1.4 b. .7 C. .6 d. 1.55. log10 (X - 3) + log10 X = 1. X = a. 2, -5 b. 5, -2 C. 5 d. 2 6. 10g3 X =5. X = a. 125 b. 243 C. 625 d. 81 7. log5 X =-2 . X = - a. 10 b. -25 C. 1 25 d. -10 8. 10gx =-2. X = 81 a. 16 b. WIN NIW C. d.. 16 81 9. log 32 = 3 . X = 4 a. 16 b. 40 C. 24 d. 3210. 1097 -=X. X= a. -1 b. 1 C. 49 d. 1 49 11. log3 1= X. X = a. 1 b. 1 3 C. 3 d. 0 12. 4X-2 = 83x+1. x = a. 11 b. 1 11 C. 1 d. -1 13. log6 (X + 2) + log6 (X + 7) =2.X = a. 2, -11 b. 11 c. 2 d. 11, -2 14. Evaluate log2 15. What is an intermediate step? 1 a. (log10 15)(10910 2) log10 15 b. log10 2 log10 2 C. log10 15 d. (log10 15)(10910 2)15. Evaluate logz15. What is the answer? a..3537 b. 2.8272 c. .2559 d. 3.9073 16. Evaluate loge18. What is an intermediate step? a. .4343 log1018 2.3026 b. logm 18 .4343 c. leash0 18 d. 2.3026log1018 1?. Evaluate loge18. What is the answer? a. 1.8343 b. .3460 0. 2.8904 d. .5452 18. Write the expression %(log x + log n log b) as a single logarithm. 19. Write the expression 3 log x - - log y - - log z as a single logarithm. a. log x322 1 y4 b. log 3x y z 4 2 Z 3x +- c. log 2 y A x3 d. log 1 1 y472 20. Write log (3.4)2(5.7) 35 as an algebraic sum of logarithms. a. 2 log 3.4 + log 5.7 - log 35 b . log2 (3.4) + log 5.7 log 35 c. log 2(3.4) + log 5.7 - log 35 d. 2 log 3.4 + log 5.7 log 35 21. Write log 3 (8-)(4.2) 54 as an algebraic sum of logarithms. log 8 + 1 log 4.2 a. 4 10g5 b. 2 log 2 8 + 1 log 4.2 - 1 log 4 . 5 log 2 . 8 + _ log 4.2 C . - log 4 . 5 d. 21098+ 1 1094.2-41095\f22. 23. 24. 25. 26. 27. Find the logarithm: 4,050,000 a. 6.6075 b. 7.6075 0. 5.6075 d. 8.6075 Find the logarithm: 1.056 x 102 a. 1.0228 b. 2.0237 0. 2.0228 d. 1.0237 Find the logarithm: 0.04992 a. 8.6983 10 b. 8.3156 10 0. 2.3156 d. 2.6983 Find the logarithm: cos 81 40' a. 9.1612 10I b. 9.9954- 10 c. 9.8388-10 d. 9.00461'0| Find the antilogarithm: 7.3139 - 10 a. .00206 b. .0000206 0. .000206 d. .0206 Find the antilogarithm: 2.9327 a. 85.64 b. 85.66 c. 856.4 d. 856.6