
Operations with Complex Numbers

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard
+1
Standards-aligned

Aiden Montgomery
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the imaginary unit 'i' defined as?
The square root of 1
The square root of 9
The square root of -1
The square root of 0
Tags
CCSS.HSN.CN.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the square root of -9 be simplified using the imaginary unit?
-3i
-3
3i
3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the square root of -28?
2√7
4i√7
i√28
2i√7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When solving x^2 = -3, what is the correct form of the solution?
x = ±i/3
x = ±3i
x = ±i√3
x = ±√3
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the equation x^2 = -24, what is the simplified form of the solution?
x = ±i√24
x = ±4i√6
x = ±2i√6
x = ±2√6
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard form of a complex number?
a - b
a + b
a - bi
a + bi
Tags
CCSS.HSN.CN.A.1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you add the complex numbers (3 + 2i) and (2 + 3i)?
5 + 5i
1 + 5i
1 + i
5 + i
Tags
CCSS.HSN.CN.A.2
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