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Ch 5: Complex and Imaginary Numbers

About This Chapter

Watch math video lessons and learn about the intriguing topic of complex and imaginary numbers. These video lessons are short and engaging and make learning easy!

Complex and Imaginary Numbers - Chapter Summary and Learning Objectives

Just when you thought you had math figured out and you thought you knew all the possible numbers in existence, you get the shock of your life. There is such a thing as an imaginary number. You heard that correctly. Imaginary numbers really do exist (as odd as that sounds).

So, what is an imaginary number? If it's imaginary, then how can you see it? What do you even do with a number that's imaginary? Do they have some sort of fairytale-like superpower? Stop fretting! All your questions will be answered once you watch our video lessons. You may be surprised at what you learn. Imaginary numbers are not really scary at all (and, yes, you can see them because they aren't literally imaginary).

Once you have the riddle of imaginary numbers figured out, you can move on. This means learning about complex numbers. Don't let the word 'complex' get you all worked up, either. It doesn't mean difficult. You'll learn what a complex number is and how to work with these numbers in addition, subtraction, multiplication and division problems. Our lessons also introduce you to graphing complex numbers and solving quadratics with complex numbers.

Some math topics can be a bit intimidating, but they don't have to be. As you'll see, our video lessons break things down and make them simple to understand. You'll soon figure out that odd mathematical concepts, like imaginary numbers and complex numbers, are really not too bad. So, what are you waiting for? Start watching now!

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