Learn how to solve an exponential equation when the base is three

Learn how to solve an exponential equation when the base is three

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

Created by

Quizizz Content

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The video tutorial explains how to isolate the exponent in an equation and solve it using logarithms. It demonstrates the use of the change of base formula to calculate logarithms when a calculator does not support different bases. The final solution is approximated to 1.63.

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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 3^x - 1 = 5?

Multiply both sides by 3

Add 1 to both sides

Subtract 1 from both sides

Divide both sides by 3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which logarithmic base is used to simplify the expression 3^x = 6?

Base 10

Base 3

Base e

Base 6

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the expression log base 3 of 6 represent?

6 divided by 3

3 multiplied by 6

3 raised to what number equals 6

6 raised to what number equals 3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the change of base formula used in this context?

To simplify the equation

To avoid using logarithms

To convert the equation to a different form

To use a calculator that only supports base 10

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you calculate log base 3 of 6 using a calculator that only supports base 10?

log(6) + log(3)

log(6) * log(3)

log(6) / log(3)

log(3) / log(6)