Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 7 - Exponential and Logarithmic Functions - 7-4 Properties of Logarithms - Practice and Problem-Solving Exercises - Page 467: 61

Answer

$log$ ${s}$ + $\frac{1}{2}$ $log$ ${7}$ - $2$ $log$ ${t}$

Work Step by Step

Use the Quotient Property of Logarithms. According to this property, $log_b$ ${m}$ - $log_b$ ${n}$ = $log_b$ $\frac {m}{n}$: $log$ ${s\sqrt {7}}$ - $log$ ${t^{2}}$ Use the Product Property of Logarithms. According to this property, $log_b$ ${mn}$ = $log_b$ ${m}$ + $log_b$ ${n}$: $log$ ${s}$ + $log$ ${\sqrt {7}}$ - $log$ ${t^{2}}$ Convert the radical term to an exponential one: $log$ ${s}$ + $log$ ${7^{\frac{1}{2}}}$ - $log$ ${t^{2}}$ Use the Power Property of Logarithms to rewrite this expression. The property states that $log_b$ ${m^n}$ = $n$ $log_b$ ${m}$: $log$ ${s}$ + $\frac{1}{2}$ $log$ ${7}$ - $2$ $log$ ${t}$
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