Pre-Calculus - Multiplying two complex numbers- Online Math Tutor (1+i) (3-2i)

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Mathematics
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11th Grade - University
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Hard
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of using the box method over foiling when multiplying binomials?
It uses less paper.
It is faster to execute.
It helps organize the multiplication process.
It requires fewer steps.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When setting up the box method, what do the dimensions of the box represent?
The sum and difference of the terms.
The length and width of the binomials.
The exponents of the terms.
The coefficients of the terms.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the box method, what is the result of multiplying 3 by I?
0
3I
I
3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of I squared in the context of this problem?
1
I
-1
0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the final simplified result of multiplying the given binomials using the box method?
3 + 2I
4 - I
6 + 2I
5 + I
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