What is the first step in finding the absolute value of a complex number?

Understanding Complex Numbers and Absolute Value

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

Thomas White
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculating the square root of the sum
Identifying the real and imaginary parts
Using the Pythagorean theorem
Plotting the number on a real number line
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When plotting a complex number, which axis represents the imaginary part?
X-axis
Y-axis
Z-axis
W-axis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the absolute value of a complex number represent on the complex plane?
The angle with the real axis
The distance from the origin
The sum of the real and imaginary parts
The product of the real and imaginary parts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula is used to calculate the distance between two points on a plane?
Quadratic formula
Distance formula
Slope formula
Midpoint formula
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the coordinates of the origin in the complex plane?
(0,0)
(1,1)
(-1,-1)
(2,2)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you calculate the absolute value of a complex number using the distance formula?
Square the real and imaginary parts, add them, and take the square root
Subtract the imaginary part from the real part
Add the real and imaginary parts
Multiply the real and imaginary parts
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the absolute value of the complex number (-3, 4)?
3
4
5
7
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