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: 62

Answer

$3$ $log$ ${2}$ + $\frac{3}{2}$ $log$ ${x}$ - $3$ $log$ ${5}$

Work Step by Step

Use the Power Property of Logarithms to rewrite this expression. The property states that $log_b$ ${m^n}$ = $n$ $log_b$ ${m}$: $3$ $log$ $\frac{2\sqrt {x}}{5}$ Use the Quotient Property of Logarithms. According to this property, $log_b$ ${m}$ - $log_b$ ${n}$ = $log_b$ $\frac {m}{n}$: $3$ $log$ ${2\sqrt {x}}$ - $3$ $log$ ${5}$ Use the Product Property of Logarithms. According to this property, $log_b$ ${mn}$ = $log_b$ ${m}$ + $log_b$ ${n}$: $3$ $log$ ${2}$ + $3$ $log$ ${\sqrt {x}}$ - $3$ $log$ ${5}$ Convert the radical term to an exponential one: $3$ $log$ ${2}$ + $3$ $log$ ${x^{\frac{1}{2}}}$ - $3$ $log$ ${5}$ Use the Power Property of Logarithms to rewrite this expression. The property states that $log_b$ ${m^n}$ = $n$ $log_b$ ${m}$: $3$ $log$ ${2}$ + $\frac{3}{2}$ $log$ ${x}$ - $3$ $log$ ${5}$
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