trash-ket ball chapter 7 exponents and logarithms
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Trash-ket Ball
Chapter 7
Exponents and Logarithms
Trash-ket ball
1
2
3478
6
5
10
1211
9
1615
14
13
2019
18
17
23
22
21
2427
26
25
28
30
29
31
32
3334
35
1Solve.
52x = 59x + 7
x = -1
2Solve.
x = -2, 5
4 42 6 3 4x x
3Solve.
x = 1 6
161
643 2x
4Solve.
27x = 800
2log 800
7x
5Solve.
logx 512 = 3
x = 8
6Solve.
log8 (3x - 6) = log8 (9x + 23)
x 296
7Solve.
log7 (x2 - 5) = log7 (59)
x 8
8Solve.
log9(x + 3) = log92x
x = 3
9 Solve.
3x = 72
3log 72x
9 Use your calculator to find decimal for last answer.
3log 72x
10Solve.
72x +2= 21
7log 19
2x
11Solve.
3(53x )= 36
5log 12
3x
12Write in logarithmic form.
82 = 64
log8 64 = 2
13Simplify the following
144 x
x
e
e
3
1xe
14Solve.
50
4 log 2 6x
15Solve.
10, -10
22log 4x
16Write in exponential form.
131
21973
log131
21973
17Write in exponential form.
log11 1331 = 3
113 = 1331
18Write in exponential form.
log5 625 = 4
54 = 625
19Write in exponential form.
81
642
log81
642
20Evaluate
log71
2401
-4
21Evaluate
log15 225
2
22Evaluate
log6 1296
4
23Expand
2(log3 27 + log3 x)
= 2log327 + 2log3x
log3 (27x)2
24Expand
logx
9log x – log 9
25Condense
logxy
z
3
3
log log logx y z 31
3
26Condense
log5 5a
1
225 5log log a
27Evaluate. Round to 4 decimal places.
log11 52
1.6478
28
log5 8.7
1.3441
Evaluate. Round to 4 decimal places.
29
log6 21.7
1.7175
Evaluate. Round to 4 decimal places.
30
log13 28.3
1.3033
Evaluate. Round to 4 decimal places.
31
Log(3x+1)=2
33
Solve.
32
log13 (x-1)=1
14
solve.
33
ln (2x+3)=81488.97
Solve.
34
log4 x+ log4 x+6=2
Evaluate. Round to 4 decimal places.
2
35Evaluate. Round to 4 decimal places.
1/2
3 3log 4 log ( 4) 2x x
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