In this video, the teacher explains how to solve logarithmic equations, focusing on two types: equations with logs on both sides and equations with a log on one side and a number on the other. The video covers the one-to-one property, condensing logarithms, and solving quadratic equations by factoring. Examples are provided to illustrate each concept, and the video concludes with a preview of the next part, which will address equations with a log equal to a number.

What is the first step in solving logarithmic equations with a log on both sides?

• Condense the logarithm on each side

• Set the arguments equal to each other

• Isolate the variable

• Use the one-to-one property

What property allows us to set the arguments of two logarithms equal if they have the same base?

• Condensation property

• Division property

• One-to-one property

• Multiplication property

Tags

CCSS.HSF.BF.B.5

How do you solve for x when given a simple logarithmic equation?

• By factoring

• By condensing

• By using the quadratic formula

• By isolating the variable

What is the purpose of checking for extraneous solutions in logarithmic equations?

• To ensure the solutions satisfy the original equation

• To find more solutions

• To simplify the equation further

• To practice factoring

What do you do when you have multiple logarithms on one side of the equation?

• Condense into a single logarithm

• Add their arguments

• Multiply their arguments

• Set their bases equal

What is the result of condensing log(4) + log(C + 3)?

• log(4C + 12)

• log(4C)

• log(4/C + 3)

• log(4 + C + 3)

What is the first step in solving a logarithmic equation that leads to a quadratic equation?

• Factor immediately

• Condense the logarithms

• Set the equation to zero

• Use the quadratic formula

How do you solve a quadratic equation obtained from a logarithmic equation?

• By using the quadratic formula

• By completing the square

• By graphing

• By factoring

What does the box method help with in solving quadratic equations?

• Identifying the roots

• Visualizing the factoring process

• Simplifying the equation

• Condensing logarithms

What are the solutions to a quadratic equation obtained from a logarithmic equation?

• 1 and -1

• 2 and -2

• 3/2 and -1/2

• 3 and -1