8.3 Logarithms Worksheet With Answers Page 2
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28.3 Logarithms
Evaluating Logs
Example 2: Write each equation in logarithmic form.
Example 3: Evaluate each expression.
a.
b.
a.
b.
d.
c.
d.
c.
Change of Base Formula
*Note: For a logarithm that has no written base, the
assumed base is 10.
For example, in the expression , the base is 10.
Now evaluate
Example 4: Use Change of Base formula to evaluate
each expression.
a.
b.
Use your calculator to evaluate
c.
Putting it all together!
Inverse Properties of Logs
Evaluate the following:
a.
b.
c.
and
e.
d.
f.
One example of each property is below:
and
i.
g.
h.
l.
k.
j.
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