Applying quotient rule of logarithms to solve the equation, log2 (x+4) - log2 (x-3)=3

Applying quotient rule of logarithms to solve the equation, log2 (x+4) - log2 (x-3)=3

Assessment

Interactive Video

Mathematics, Science

11th Grade - University

Hard

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Quizizz Content

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The video tutorial covers the rules for canceling logarithms, emphasizing that it only applies when isolated logarithms with the same base are on opposite sides of an equation. It then demonstrates how to solve logarithmic equations by converting them to exponential form. The tutorial further explains solving exponential equations using multiplication and the distributive property. Finally, it highlights the use of the quotient property and concludes with a summary of the methods discussed.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Under what condition can logarithms be canceled out?

When they are part of a complex equation

When they are isolated and on opposite sides with the same base

When they are on the same side and have different bases

When they are both in exponential form

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of condensing log base 2 of (X + 4) and (X - 3)?

log base 2 of (X + 4) * (X - 3)

log base 2 of (X + 4) + (X - 3)

log base 2 of (X + 4) / (X - 3)

log base 2 of (X - 3) / (X + 4)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the alternative method to solve logarithmic equations if the logarithm equality property cannot be used?

Use the quadratic formula

Convert to exponential form

Apply the Pythagorean theorem

Simplify using trigonometric identities

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you eliminate a denominator in an equation?

Add the denominator to both sides

Divide both sides by the denominator

Multiply both sides by the denominator

Subtract the denominator from both sides

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the final solution for X in the equation 8 = X + 4 / (X - 3) after solving?

X = 4

X = 2

X = 3

X = 5