Skip to main content
Ch. 4 - Inverse, Exponential, and Logarithmic Functions
Chapter 5, Problem 17

If the statement is in exponential form, write it in an equivalent logarithmic form. If the statement is in logarithmic form, write it in exponential form. log↓√3 81 = 8

Verified Solution

Video duration:
1m
This video solution was recommended by our tutors as helpful for the problem above.
Was this helpful?

Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Exponential Form

Exponential form expresses a number as a base raised to a power, represented as b^y = x, where b is the base, y is the exponent, and x is the result. This form is essential for understanding how logarithms work, as logarithmic statements can be converted into exponential statements to reveal the relationship between the base, exponent, and result.
Recommended video:
6:13
Exponential Functions

Logarithmic Form

Logarithmic form is the inverse of exponential form, expressed as log_b(x) = y, meaning that b raised to the power of y equals x. This form is crucial for solving equations involving logarithms, as it allows us to find the exponent when the base and the result are known, facilitating the conversion between the two forms.
Recommended video:
7:30
Logarithms Introduction

Change of Base Formula

The change of base formula allows for the conversion of logarithms from one base to another, expressed as log_b(a) = log_k(a) / log_k(b) for any positive k. This concept is important when dealing with logarithmic equations, as it enables simplification and calculation using more familiar bases, such as 10 or e, making it easier to solve logarithmic expressions.
Recommended video:
5:36
Change of Base Property