Understanding Logarithmic Equations and Properties

Understanding Logarithmic Equations and Properties

Assessment

Interactive Video

Created by

Emma Peterson

Mathematics

9th - 12th Grade

3 plays

Medium

The video tutorial explains how to solve logarithmic equations by converting them into exponential equations. It covers six examples, demonstrating the process of equating exponents when bases are the same. The tutorial also introduces three new logarithmic properties derived from these examples. The video concludes with a review of these properties, emphasizing the simplification of logs when the base and input are powers of the same number.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in solving a logarithmic equation?

Convert it to a quadratic equation

Convert it to an exponential equation

Add a constant to both sides

Multiply both sides by the base

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If log base a of x equals y, what is the equivalent exponential form?

y^a = x

a^y = x

x^a = y

a^x = y

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the equation a^x = a^5, what is the value of x?

a

x

5

0

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of x in the equation a^x = a^-7?

7

1

-7

0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you express 1/a^4 using a negative exponent?

a^4

a^-4

-4a

4a

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of x in the equation a^x = a?

0

x

1

a

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a^x = 1, what is the value of x?

-1

a

1

0

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does log base a of a^x simplify to?

a

1

x

0

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of log base a of a?

x

0

a

1

10.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of log base a of 1?

x

0

1

a

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