Chapter 8
Algebra 2 and Trigonometry · 287 exercises
Problem 26
Write each expression as a single logarithm. 4 \(\log _{2}(x+2)\)
4 step solution
Problem 27
In \(21-32,\) for each given logarithm, find \(x,\) the antilogarithm. Write the answer to four decimal places. $$ \ln x=4.8200 $$
3 step solution
Problem 27
In \(24-35,\) for each given logarithm, find the antilogarithm, \(x .\) Write the answer to four decimal places. $$ \log x=1.7790 $$
4 step solution
Problem 27
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ \log _{8} 8 $$
2 step solution
Problem 27
Write each expression as a single logarithm. \(\log _{10} y-2 \log _{10}(y-1)\)
2 step solution
Problem 28
In \(21-32,\) for each given logarithm, find \(x,\) the antilogarithm. Write the answer to four decimal places. $$ \ln x=-0.5373 $$
5 step solution
Problem 28
In \(24-35,\) for each given logarithm, find the antilogarithm, \(x .\) Write the answer to four decimal places. $$ \log x=2.2030 $$
4 step solution
Problem 28
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ 5 \log _{8} 8 $$
3 step solution
Problem 28
Write each expression as a single logarithm. \(\log _{e} x+2 \log _{e} y-2 \log _{e} z\)
4 step solution
Problem 29
In \(21-32,\) for each given logarithm, find \(x,\) the antilogarithm. Write the answer to four decimal places. $$ \ln x=-0.05729 $$
4 step solution
Problem 29
In \(24-35,\) for each given logarithm, find the antilogarithm, \(x .\) Write the answer to four decimal places. $$ \log x=2.5619 $$
4 step solution
Problem 29
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ \log _{6} 216 $$
3 step solution
Problem 29
Write each expression as a single logarithm. \(\frac{1}{2} \log _{3} x^{10}-\frac{2}{5} \log _{3} x^{5}\)
4 step solution
Problem 30
In \(21-32,\) for each given logarithm, find \(x,\) the antilogarithm. Write the answer to four decimal places. $$ \ln x=-1.1544 $$
4 step solution
Problem 30
In \(24-35,\) for each given logarithm, find the antilogarithm, \(x .\) Write the answer to four decimal places. $$ \log x=4.8200 $$
3 step solution
Problem 30
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ 4 \log _{6} 216 $$
3 step solution
Problem 30
Expand each expression using the properties of logarithms. \(\log _{2} 2 a b\)
2 step solution
Problem 31
In \(21-32,\) for each given logarithm, find \(x,\) the antilogarithm. Write the answer to four decimal places. $$ \ln x=-1 $$
4 step solution
Problem 31
In \(24-35,\) for each given logarithm, find the antilogarithm, \(x .\) Write the answer to four decimal places. $$ \log x=-0.5373 $$
4 step solution
Problem 31
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ \log _{\frac{1}{2}} 2 $$
6 step solution
Problem 31
Expand each expression using the properties of logarithms. \(\log _{3} \frac{10}{x}\)
3 step solution
Problem 32
In \(21-32,\) for each given logarithm, find \(x,\) the antilogarithm. Write the answer to four decimal places. $$ \ln x=-2 $$
4 step solution
Problem 32
In \(24-35,\) for each given logarithm, find the antilogarithm, \(x .\) Write the answer to four decimal places. $$ \log x=-0.05729 $$
4 step solution
Problem 32
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ 8 \log _{\frac{1}{2}} 2 $$
4 step solution
Problem 32
Expand each expression using the properties of logarithms. \(\log _{5} a^{-5}\)
2 step solution
Problem 33
In \(33-44,\) if \(\ln 2=x\) and \(\ln 3=y,\) write each of the natural logs in terms of \(x\) and \(y\) $$ \ln 6 $$
4 step solution
Problem 33
In \(24-35,\) for each given logarithm, find the antilogarithm, \(x .\) Write the answer to four decimal places. $$ \log x=-1.1544 $$
5 step solution
Problem 33
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ \log _{4} \frac{1}{16} $$
5 step solution
Problem 33
Expand each expression using the properties of logarithms. \(\log _{10}(x+1)^{2}\)
2 step solution
Problem 34
In \(33-44,\) if \(\ln 2=x\) and \(\ln 3=y,\) write each of the natural logs in terms of \(x\) and \(y\) $$ \ln 9 $$
4 step solution
Problem 34
In \(24-35,\) for each given logarithm, find the antilogarithm, \(x .\) Write the answer to four decimal places. $$ \log x=-3 $$
4 step solution
Problem 34
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ 3 \log _{4} \frac{1}{16} $$
6 step solution
Problem 34
Expand each expression using the properties of logarithms. \(\log _{4} \frac{x^{6}}{y^{5}}\)
3 step solution
Problem 35
In \(33-44,\) if \(\ln 2=x\) and \(\ln 3=y,\) write each of the natural logs in terms of \(x\) and \(y\) $$ \ln 4 $$
3 step solution
Problem 35
In \(24-35,\) for each given logarithm, find the antilogarithm, \(x .\) Write the answer to four decimal places. $$ \log x=-4 $$
4 step solution
Problem 35
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ \log _{3} 729 $$
4 step solution
Problem 35
Expand each expression using the properties of logarithms. \(\log _{e} \sqrt{x}\)
4 step solution
Problem 36
In \(33-44,\) if \(\ln 2=x\) and \(\ln 3=y,\) write each of the natural logs in terms of \(x\) and \(y\) $$ \ln 12 $$
5 step solution
Problem 36
\(\operatorname{In} 36-47,\) if \(\log 3=x\) and \(\log 5=y,\) write each of the logs in terms of \(x\) and \(y\) $$ \log 15 $$
4 step solution
Problem 36
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ \frac{1}{3} \log _{3} 729 $$
3 step solution
Problem 36
Write each expression in terms of \(A\) and \(B\) if \(\log _{2} x=A\) and \(\log _{2} y=B\). \(\log _{2} x y\)
3 step solution
Problem 37
In \(33-44,\) if \(\ln 2=x\) and \(\ln 3=y,\) write each of the natural logs in terms of \(x\) and \(y\) $$ \ln 24 $$
5 step solution
Problem 37
\(\operatorname{In} 36-47,\) if \(\log 3=x\) and \(\log 5=y,\) write each of the logs in terms of \(x\) and \(y\) $$ \log 9 $$
4 step solution
Problem 37
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ \log _{4} \frac{1}{64} $$
5 step solution
Problem 37
Write each expression in terms of \(A\) and \(B\) if \(\log _{2} x=A\) and \(\log _{2} y=B\). \(\log _{2} x^{2} y\)
4 step solution
Problem 38
In \(33-44,\) if \(\ln 2=x\) and \(\ln 3=y,\) write each of the natural logs in terms of \(x\) and \(y\) $$ \ln 36 $$
4 step solution
Problem 38
\(\operatorname{In} 36-47,\) if \(\log 3=x\) and \(\log 5=y,\) write each of the logs in terms of \(x\) and \(y\) $$ \log 25 $$
4 step solution
Problem 38
In \(27-56,\) evaluate each logarithmic expression. Show all work. $$ 16 \log _{4} \frac{1}{64} $$
5 step solution
Problem 38
Write each expression in terms of \(A\) and \(B\) if \(\log _{2} x=A\) and \(\log _{2} y=B\). \(\log _{2}(x y)^{3}\)
5 step solution
Problem 39
In \(33-44,\) if \(\ln 2=x\) and \(\ln 3=y,\) write each of the natural logs in terms of \(x\) and \(y\) $$ \ln \frac{1}{3} $$
3 step solution