Solving logarithmic equations by factoring

Solving logarithmic equations by factoring

Assessment

Interactive Video

Created by

Quizizz Content

Mathematics, Science

11th Grade - University

Hard

The video tutorial explains how to solve a logarithmic equation by first combining logarithms using their properties. It then covers the inverse property of logarithms and demonstrates how to solve the equation by converting it into exponential form. The tutorial also includes factoring the resulting quadratic equation to find potential solutions and verifying them to identify the valid solution.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary goal when solving logarithmic equations?

To find the value of the base

To convert the equation into a polynomial

To combine all logarithms into one

To isolate the logarithm

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which property allows you to rewrite a logarithmic equation in exponential form?

Product Property

Inverse Property

Power Property

Quotient Property

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of exponentiating both sides of a logarithmic equation?

The logarithm is isolated

The equation is simplified

The base is changed

The logarithm is eliminated

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is used to solve the equation after rewriting it in exponential form?

Completing the square

Factoring

Graphing

Substitution

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the zero product property used for in solving equations?

To determine the value of a variable

To find the base of a logarithm

To set factors equal to zero

To simplify the equation

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to verify solutions in logarithmic equations?

To ensure the base is correct

To confirm the equation is balanced

To simplify the equation further

To check for extraneous solutions

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if a solution results in taking the logarithm of a negative number?

The solution is valid

The base changes

The solution is extraneous

The equation is incorrect