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Name:
Exponential and Log Equations Day 3
Date:
Period: 1 2 3 4 5 6 7
Solve each equation. Round the answers to the nearest hundredth.
1) 2 x  3
2) 4 x  19
3) log 2 x  1
4) log  3x  1  2
5) 3x  27.3
6) 14 x1  36
7) log  x  2   1
8) 2log  x  1  5
9) 252 x1  144
10) log  5  2 x   0
11) 2log x  log 4  2
12) 3log x  log6  log 2.4  9
13) log x  log 4  3
14) 2log x  log3  1
15) 2log x  log 4  2
16) log x  log 4  1
Review Material:
Write each logarithm expression as a single logarithm.
17) log12  log5
18) log2 15  log2 3
19) 4log3 x  6log3 z
20) log z  4log x  log y
Expand each logarithm.
21) log4 xy 5
22) log7x5 y 2
2 x3
y
24) log  3xy 
23) log3
2
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