Lesson 25 Multiplying Complex Numbers

Lesson 25 Multiplying Complex Numbers

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Multiple Choice

Which expression is equivalent to 2i(5+3i)?

• -6+10i

• 6+10i

• -10+6i

• 10+6i

Open Ended

Open Ended

Open Ended

Open Ended

Explain to someone who missed class how you would write (3−5i)(-2+4i) in the form a+bi, where a and b are real numbers.

Multiple Choice

Which expression is equal to

 $729^{\frac{2}{3}}$  ?

• 243

• 486

•  $9^2$  

•  $27^3$