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Published byXzavier Tibbs Modified over 2 years ago

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3-9 Imaginary Numbers Objective: Classify numbers into sets. Combine like terms with radicals. Introduce and learn to use and simplify and solve equations using imaginary numbers.

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CComplex RReal Q or IIrrational QRational ZIntegers W Whole NNatural

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Combining Like Terms with Radicals

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Definition of i

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Simplify r1 r2 r3 r0

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Simplify r1 r2 r3 r0

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is imaginary using

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Simplify

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Any number in the form of a + bi is a complex number. (real) (pure imaginary) (complex)

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Simplify (8 – 5i) + (2 + i) (4 + 7i) – (2 + 3i)

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Simplify (4 + 2i)(3 – 5i)

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Solve. x 2 + 4x + 5 = 0

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