Algebra 2 - Using properties of exponents to help you solve a logarithmic equation, log(x) +log(8)=2

Algebra 2 - Using properties of exponents to help you solve a logarithmic equation, log(x) +log(8)=2

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

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The video tutorial addresses common mistakes students make with logarithms, particularly the incorrect cancellation of logs. It explains the correct method to combine logarithms using logarithmic rules and demonstrates how to rewrite a logarithmic equation in exponential form. The tutorial concludes by solving the equation to find the value of X, emphasizing the importance of following proper mathematical procedures.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a common mistake students make when dealing with two logarithms?

They try to add them directly.

They attempt to cancel them out.

They multiply them together.

They ignore one of the logarithms.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When can you cancel out logarithms?

When they are multiplied together.

When they are equal to each other.

When they are added together.

When they have the same base.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you combine log of X and log of 8?

log(X + 8)

log(8X)

log(X/8)

log(X - 8)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the exponential form of the equation log(8X) = 2?

8X = 2^10

10^2 = 8X

8X = 10^8

2^8 = 10X

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of X when 10^2 = 8X?

X = 100

X = 12.5

X = 8

X = 10