10
QuizMultiple Choice
Multiply and Divide Complex Numbers
Question 10 • *PGHS Precalculus B
Let z = 5 – 9i and w = 6 + i. Which expression shows the first step in finding the quotient of ?
Answer
A
StartFraction 5 minus 9 I Over 6 + I EndFraction times StartFraction 6 minus I Over 6 minus I EndFraction
B
StartFraction 5 minus 9 I Over 6 + I EndFraction times StartFraction 6 + I Over 6 + I EndFraction
C
StartFraction 5 minus 9 I Over 6 + I EndFraction times StartFraction 5 minus I Over 5 minus I EndFraction
D
StartFraction 5 minus 9 I Over 6 + I EndFraction times StartFraction 5 + I Over 5 + I EndFraction