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Complex Numbers Operations with Complex Numbers What is the Imaginary Unit?

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Complex Numbers Operations with Complex Numbers

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Complex Numbers

Complex NumbersOperations with Complex Numbers What is the Imaginary Unit?Try it!

What are imaginary and complex numbers?A complex number is a number composed of a real number and an imaginary number.

Examples of Complex NumbersA complex number is always written in standard form : a + bi, where a is the real part and bi is the imaginary part. 2 + 3i5 5i

Plotting Complex Numbers

The x-axis is all the real numbersThe y-axis is all the complex numbers.Plotting Complex Numbers4 + 2i-1 + i- 4i36 3i

Adding and Subtracting Complex Numbers

Steps for Adding and Subtracting Complex NumbersStep 1: Identify and combine like termsStep 2: Perform stated operationAbsolute Value of a Complex NumberLets try it!Find the absolute value of the complex number 3 + 4i.ClassworkAccess on the OLC ORComplete on paper

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