Evaluating a Logarithm With a Fraction Base

Evaluating a Logarithm With a Fraction Base

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial explores the concept of exponents, focusing on finding the power that results in 27 when using a base of 1/3. It explains the conversion between logarithmic and exponential forms, discusses the effects of squaring and cubing fractions, and demonstrates how negative exponents can be used to solve the problem. The tutorial concludes with a verification of the solution.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main problem discussed in the first section of the video?

Calculating the cube root of 27

Understanding the logarithmic form of 27

Determining what power of 1/3 results in 27

Finding the square root of 27

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when you square the fraction 1/3?

It becomes 1/9

It becomes larger than 1

It becomes 1/6

It becomes 1/27

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it challenging to convert a fraction into a whole number?

Fractions are always smaller than whole numbers

Fractions cannot be squared or cubed

Fractions become larger with negative exponents

Fractions become smaller with positive exponents

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What exponent is needed to raise 1/3 to get 27?

3

-1

-3

1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does raising 1/3 to the power of -3 result in 27?

It becomes 3 squared

It becomes 1 cubed

It becomes 1 squared

It becomes 3 cubed