How to use the properties of logs to expand an expression

How to use the properties of logs to expand an expression

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

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The video tutorial explains how to use the properties of logarithms to expand expressions. It covers the basic properties of logs, such as splitting logs of multiplied terms into sums and handling division by converting it into subtraction. The tutorial demonstrates expanding a rational expression and a multiplicative expression using these properties, emphasizing the placement of exponents in front of the log. The video concludes with a practical example of expanding a log expression with multiplication.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of expanding the logarithm of a product, log(XY)?

log(XY)

log(X) * log(Y)

log(X) - log(Y)

log(X) + log(Y)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you expand log(A/B) using logarithmic properties?

log(A) + log(B)

log(A) - log(B)

log(A/B)

log(A) * log(B)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When expanding log(sqrt(A)), what property allows you to bring the exponent in front of the log?

Power Rule

Quotient Rule

Product Rule

Change of Base Formula

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the expanded form of log base 3 of 10Z?

log base 3 of 10 + log base 3 of Z

log base 3 of 10 - log base 3 of Z

log base 3 of (10Z)

log base 3 of 10 * log base 3 of Z

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which property is used to expand log base 3 of 10Z?

Product Rule

Quotient Rule

Power Rule

Change of Base Formula