Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
Math
/
Pre-Calculus
/
Use Complex Conjugates to Divide Complex Numbers
Worksheet
Grade Level
Pre-Calculus
Pre-CAL.137 Use Complex Conjugates to Divide Complex Numbers
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
Which statement correctly explains why multiplying by a conjugate helps when dividing complex numbers?
A
It makes the numerator equal to zero.
B
It changes i into 1.
C
It makes the denominator a real number because (c + di)(c - di) = c squared + d squared.
D
It cancels the i terms in the numerator automatically.
Submit Answer
