Solving a logarithmic equation using the quadratic formula

Solving a logarithmic equation using the quadratic formula

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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Quizizz Content

FREE Resource

The video tutorial reviews logarithm properties and demonstrates solving a logarithmic equation using the FOIL method and quadratic formula. The teacher guides students through simplification, calculation, and analysis of results, highlighting potential extraneous solutions.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the relationship between the sum of two logarithms and their product?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the process of simplifying the expression X^2 - X - 2 = 0.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you apply the quadratic formula to solve the equation derived from the logarithmic properties?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What steps would you take to approximate the roots of the equation using a calculator?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What does it mean for a solution to be extraneous in the context of solving logarithmic equations?

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