Algebra 2 - Tutorial for multiplying two complex numbers using foil, (7 - 2i)(-1 + 3i)
Interactive Video
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Mathematics, Business
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11th Grade - University
•
Hard
Wayground Content
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using methods like FOIL or box method when dealing with complex numbers?
To add complex numbers
To multiply complex numbers
To divide complex numbers
To subtract complex numbers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the FOIL method, what does the 'O' stand for?
Order
Other
Over
Outer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying the last terms in the FOIL method for complex numbers?
-6i^2
-6i
6i^2
6i
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of i^2 in complex numbers?
1
i
-1
0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is the real component written first in the standard form of a complex number?
It is easier to read
It makes the number larger
It simplifies calculations
It's a mathematical convention
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