Learn how to use brackets to help us expand a logarithmic expression

Learn how to use brackets to help us expand a logarithmic expression

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to handle division in logarithms by separating the numerator and denominator. It covers expanding logarithms using multiplication and highlights common mistakes, particularly the importance of using parentheses to ensure correct calculations. The tutorial concludes with evaluating logarithms and providing the final answer.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step when dealing with division in logarithms?

Multiply the numerator by the denominator

Add the numerator and denominator

Separate the numerator and denominator

Combine the numerator and denominator

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can log base 7 of 8X be expanded?

log base 7 of 8 times log base 7 of X

log base 7 of 8 minus log base 7 of X

log base 7 of 8 divided by log base 7 of X

log base 7 of 8 plus log base 7 of X

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When can an exponent be moved to the front of a logarithm?

When it is a fraction

When it is a negative number

When it is a decimal

When it is raised to a power

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to use parentheses in logarithmic expressions?

To eliminate the need for exponents

To simplify the expression

To ensure correct order of operations

To make the expression look neat

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of log base 7 of 49?

4

2

1

3