
Understanding Complex Numbers and Their Properties

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Ethan Morris
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of numbers are introduced to extend beyond real numbers?
Whole numbers
Rational numbers
Imaginary numbers
Natural numbers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What symbol is used to denote imaginary numbers?
k
m
i
j
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are complex numbers composed of?
Only real numbers
Only imaginary numbers
Neither real nor imaginary numbers
Both real and imaginary numbers
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the fundamental theorem of algebra state about polynomials with complex coefficients?
They have no roots
They have only complex roots
They have only imaginary roots
They have only real roots
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean for a set to be algebraically closed?
It contains no numbers
It contains only real numbers
Equations within the set have solutions within the set
It contains only imaginary numbers
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key characteristic of complex arithmetic?
It follows all the same rules as real number arithmetic
It is identical to imaginary number arithmetic
It has no rules
Some rules of real number arithmetic apply, but not all
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard form of a complex number?
ix + y
x + iy
x + y
xy + i
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