Multiply Simplify Write the expression as a complex number.

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Presentation transcript:

Multiply

Simplify

Write the expression as a complex number

You Try You Try

Complex Conjugates These are used to rationalize a denominator. Imaginary numbers are NOT allowed in the denominator. What is the conjugate? (4+3i) (7+12i) (-3-4i) (-5+8i)

Write each expression as a complex number in standard form

Simplify

Simplify

You Try You Try

Solving for real numbers *Set real number to real number *Set imaginary number to imaginary number. X + Yi = i 3X + Yi = -9 – 7i

Your Turn Your Turn -2X – 12Yi = 30 – 8i 3X – 4Yi = -21 – 42i