You have seen logarithms with many bases. The
Take Note Property: Change of Base Formula
For any positive numbers m, b, and c, with
Here's Why It Works
Problem 3 Using the Change of Base Formula
What is the value of each expression?
A
Think
What common base has powers that equal 27 and 81?
3;
Method 1 Use a common base.
Method 2 Use a calculator.
B
Think
What would be a reasonable result?
✓ Got It?
- Use the Change of Base Formula. What is the value of each expression?
-
Table of Contents
- 5-1 Polynomial Functions
- 5-2 Polynomials, Linear Factors, and Zeros
- 5-3 Solving Polynomial Equations
- 5-4 Dividing Polynomials
- 5-5 Theorems About Roots of Polynomial Equations
- 5-6 The Fundamental Theorem of Algebra
- 5-7 The Binomial Theorem
- 5-8 Polynomial Models in the Real World
- 5-9 Transforming Polynomial Functions