What is the initial problem presented in the video?

Dividing Complex Numbers Explained

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard

Amelia Wright
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Multiplying two complex numbers
Dividing two complex numbers
Adding two complex numbers
Subtracting two complex numbers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using the complex conjugate in the division of complex numbers?
To make the numerator a real number
To make the denominator a real number
To simplify the numerator
To simplify the entire expression
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the complex conjugate of (7 - 5i)?
5 - 7i
7 - 5i
7 + 5i
5 + 7i
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying (6 + 3i) by (7 + 5i) in the numerator?
42 + 51i - 15
42 + 30i + 21i - 15
42 + 30i + 21i + 15
42 + 51i + 15
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of (i^2) used in the simplification?
i
-1
1
0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the denominator after using the FOIL method?
49 + 25i
49 - 25i
49 + 25
49 - 25
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final real part of the simplified numerator?
27
42
15
51
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