Using the change of base formula to solve, log7 (2401) = x

Using the change of base formula to solve, log7 (2401) = x

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

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The video tutorial covers solving logarithms by using equality and converting them to exponential form. It demonstrates solving a specific logarithmic equation by converting it to exponential form and calculating the power. The tutorial also introduces the change of base formula for evaluating logarithms that do not result in integer powers, using a calculator for verification. Practical applications of these methods are discussed to reinforce understanding.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one method to solve an equation involving logarithms?

Convert the logarithm to a fraction

Subtract the logarithm from its base

Use the equality of logarithms

Multiply the logarithm by its base

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If 7 to the power of X equals 2401, what is the value of X?

6

5

3

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of 7 raised to the 4th power?

130

2401

49

343

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the change of base formula?

To convert logarithms to fractions

To add logarithms to their bases

To multiply logarithms by their bases

To solve logarithms with non-integer results

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you calculate log base 3 of 5 using a calculator?

Divide log 5 by log 3

Multiply log 5 by log 3

Add log 5 to log 3

Subtract log 3 from log 5