Tutorial-How to solve a logarithmic equation with an extraneous solution ex20, 4 log3(2) -2log3(x)=1

Tutorial-How to solve a logarithmic equation with an extraneous solution ex20, 4 log3(2) -2log3(x)=1

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial demonstrates how to solve a logarithmic equation by condensing multiple logarithms into a single one, rewriting them as exponents, and solving for the variable. The process involves identifying extraneous solutions and understanding the properties of logarithms and exponents. The tutorial emphasizes the importance of condensing logarithms to simplify the equation and solve for the variable effectively.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason for condensing multiple logarithms into a single logarithm?

To simplify the equation for easier computation

To increase the number of solutions

To make the equation more complex

To eliminate the need for exponents

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you rewrite a logarithmic expression with a coefficient in front of the log?

By adding the coefficient to the base

By using the coefficient as an exponent

By dividing the coefficient by the base

By subtracting the coefficient from the base

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of combining two logarithms with the same base using the quotient rule?

The sum of the two logarithms

The difference of the two logarithms

The product of the two logarithms

The quotient of the two logarithms

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the next step after converting a logarithmic equation into exponential form?

Add the exponents

Multiply the bases

Solve for the variable

Divide the exponents

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the negative solution considered extraneous in this logarithmic equation?

Because negative solutions are always incorrect

Because logarithms cannot have negative bases

Because logarithms cannot take negative values

Because logarithms cannot have negative results