
How to simplify roots with imaginary numbers and simplify complex numbers
Interactive Video
•
Mathematics, Science
•
11th Grade - University
•
Practice Problem
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of identifying square numbers when simplifying roots?
To add more complexity
To make the numbers larger
To simplify the expression
To change the numbers completely
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you rewrite X to the third power using exponents?
X^1 * X^1 * X^1
X^2 * X^1
X^4 / X^1
X^3 * X^0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard form of a complex number?
A + BI
A * BI
A + B
A - BI
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding complex numbers, what should you do with the real and imaginary parts?
Multiply the real and imaginary parts
Add both the real and imaginary parts separately
Subtract the real parts and add the imaginary parts
Add the real parts and subtract the imaginary parts
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to multiply two binomials?
Division method
FOIL method
Square root method
Addition method
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the imaginary parts when multiplying 1 + 2i and 1 - 2i?
They remain unchanged
They add up
They cancel each other out
They multiply to form a new imaginary number
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying 1 + 2i and 1 - 2i?
5
4
0
1
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