Solving a logarithmic equation by converting to exponential form

Solving a logarithmic equation by converting to exponential form

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explains how to solve the equation 8^(2X-1) = 1/3 by converting it from logarithmic to exponential form. It covers the concept of rational exponents and root powers, demonstrating how to simplify and solve for X. The tutorial concludes with a verification step to ensure the solution is correct.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving the equation 8^(2x-1) = 1/3?

Add 1 to both sides

Rewrite the equation in exponential form

Multiply both sides by 2

Convert the equation to logarithmic form

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can 8^(1/3) be expressed using roots?

As the square root of 8

As the fourth root of 8

As the cube root of 8

As the fifth root of 8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the cube root of 8?

4

3

2

1

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of x when the equation 8^(2x-1) = 1/3 is solved?

1/2

3/2

2/3

1/3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to check the solution of the equation?

To simplify the equation further

To find a different solution

To ensure the solution is not extraneous

To convert it back to logarithmic form