Exploring Imaginary and Complex Numbers
Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Practice Problem
•
Easy
Standards-aligned
Jackson Turner
Used 7+ times
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What symbol is used to represent the square root of negative one?
k
n
j
i
Tags
CCSS.HSN.CN.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you simplify the square root of -64?
8
64
64i
8i
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the square root of -81?
9i
81i
9
81
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When simplifying the square root of -7, why is the 'i' placed in front of the radical?
Because it looks better
To indicate the imaginary part is outside the radical
To make calculations easier
It's a rule for all square roots
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you simplify the square root of -48?
48i
4i√3
4√3
48
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the square root of -80?
8i√5
80i
8√5
80
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a complex number?
A number with both real and imaginary parts
A number with only real parts
A number with only imaginary parts
A number that cannot be simplified
Tags
CCSS.HSN.CN.A.1
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