Understanding Logarithmic Inequalities

Understanding Logarithmic Inequalities

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

Created by

Thomas White

FREE Resource

This video tutorial explains how to solve logarithmic inequalities, focusing on setting restrictions for x values and understanding when to preserve or reverse inequalities based on the base. An example is provided to illustrate the process, including setting up the inequality, solving it, and applying restrictions. The video concludes with a summary of key points and encourages viewers to apply these techniques to other logarithmic inequalities.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main topic discussed in this video?

Basics of algebra

Understanding logarithmic inequalities

Introduction to calculus

Solving quadratic equations

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the default base for logarithms when the base is not specified?

Base 2

Base 10

Base 5

Base e

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to consider restrictions on x in logarithmic expressions?

To ensure x is a whole number

To avoid negative values inside the logarithm

To simplify the expression

To make the equation linear

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first restriction derived from the expression 3x + 6 > 0?

x > -2

x > 2

x > 0

x > -3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the inequality when the base of the logarithm is greater than 1?

The inequality is reversed

The inequality is preserved

The inequality becomes an equation

The inequality is ignored

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final solution set for the inequality log base 10 of 3x + 6 > log base 10 of 4x - 2?

(1/2, 8)

(-2, 8)

(0, 8)

(1, 8)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two main steps in solving logarithmic inequalities as discussed in the video?

Using a calculator and checking the solution

Setting restrictions and solving the equation

Graphing the inequality and finding the roots

Setting restrictions and knowing when to change or preserve the inequality