Solving Exponential Equations with Logarithms

[Pages:4]Kuta Software - Infinite Algebra 2

Name___________________________________

Solving Exponential Equations with Logarithms

Date________________ Period____

Solve each equation. Round your answers to the nearest ten-thousandth.

1) 3b = 17

2) 12r = 13

3) 9n = 49

4) 16v = 67

5) 3a = 69

6) 6r = 51

7) 6n = 99

8) 20r = 56

9) 5 186x = 26

10) e x - 1 - 5 = 5

11) 9n + 10 + 3 = 81

12) 11n - 8 - 5 = 54

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Worksheet by Kuta Software LLC

13) 16n - 7 + 5 = 24

14) 20-6n + 6 = 55

15) 5 63m = 20

16) 8-5a - 5 = 53

17) 3.4e2 - 2n - 9 = -4

18) -6e8n + 8 - 3 = -23

19) -e-3.9n - 1 - 1 = -3

20) -2e7v + 5 - 10 = -17

21) -3e7a + 9 + 6 = -6

22) -3e9x - 1 + 6 = -58

23) -e6 - 9p + 5 = -48.4

24) -10e2 - 2b - 6 = -66

25) 6e-4k - 10 - 4 = 63

26) 6e5x - 6 - 4 = 50

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Worksheet by Kuta Software LLC

Kuta Software - Infinite Algebra 2

Name___________________________________

Solving Exponential Equations with Logarithms

Date________________ Period____

Solve each equation. Round your answers to the nearest ten-thousandth.

1) 3b = 17

2) 12r = 13

2.5789

1.0322

3) 9n = 49 1.7712

4) 16v = 67 1.5165

5) 3a = 69 3.854

6) 6r = 51 2.1944

7) 6n = 99 2.5646

8) 20r = 56 1.3437

9) 5 186x = 26 0.0951

10) e x - 1 - 5 = 5 3.3026

11) 9n + 10 + 3 = 81 -8.0172

12) 11n - 8 - 5 = 54 9.7005

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Worksheet by Kuta Software LLC

13) 16n - 7 + 5 = 24 8.062

14) 20-6n + 6 = 55 -0.2165

15) 5 63m = 20 0.2579

16) 8-5a - 5 = 53 -0.3905

17) 3.4e2 - 2n - 9 = -4 0.8072

18) -6e8n + 8 - 3 = -23 -0.8495

19) -e-3.9n - 1 - 1 = -3 -0.4341

20) -2e7v + 5 - 10 = -17 -0.5353

21) -3e7a + 9 + 6 = -6 -1.0877

22) -3e9x - 1 + 6 = -58 0.4511

23) -e6 - 9p + 5 = -48.4 0.2247

24) -10e2 - 2b - 6 = -66 0.1041

25) 6e-4k - 10 - 4 = 63 -3.1032

26) 6e5x - 6 - 4 = 50 1.6394

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