Conjugates and Dividing Complex Numbers

• A
• B
• C
• D

• Multiply the top and bottom by 3-2i

• Multiply the top and bottom by 5 + 8i

• multiply the top by 5 + 8i and the bottom by 3 - 2i

• Multiply the top and bottom by -3 - 2i

• A
• B
• C
• D

Rationalize and Simplify.

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Simplify.

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Step 1 for dividing complex numbers

• Multiply by the conjugate of the denominator over itself

• Multiply top by top, bottom by bottom.

• FOIL the top and FOIL the bottom.

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Solve the above complex number in the form of a+bi

• 4/5 + 7i/5

• -4/5 - 7i/5

• -4/5 - 7i/5

• 4/5 - 7i/5

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Simplify

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