Algebra 2 - Simplifying complex numbers rational expression (2-4i) / (1+3i)

Algebra 2 - Simplifying complex numbers rational expression (2-4i) / (1+3i)

Assessment

Interactive Video

Mathematics, Science

11th Grade - University

Hard

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The video tutorial explains how to divide complex numbers by multiplying with the conjugate. It covers the importance of using the conjugate to eliminate imaginary numbers from the denominator, applying the FOIL method for multiplication, and simplifying the resulting expression. The tutorial emphasizes expressing the final result in the standard form of a complex number.

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2 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you simplify the expression -10i - 12?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the final result when dividing the expression -10 by -1?

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