

Exploring Operations with Complex Numbers
Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Practice Problem
•
Medium
+1
Standards-aligned
Emma Peterson
Used 2+ times
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must be the order of terms when writing a complex number in standard form?
Imaginary part first, then real part
Real part first, then imaginary part
Both parts in any order
Only the imaginary part
Tags
CCSS.HSN.CN.A.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the complex conjugate of 3 + 7i?
-3 + 7i
-3 - 7i
3 - 7i
3 + 7i
Tags
CCSS.HSN.CN.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding complex numbers, which parts do you combine?
Any parts in any order
Real parts with real parts and imaginary parts with imaginary parts
Only the imaginary parts
Only the real parts
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of adding -11 + 3i and 9 + 2i?
-2 + 5i
2 + 5i
2 + 1i
-2 + 1i
Tags
CCSS.HSN.CN.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you remember to do when multiplying complex numbers?
Subtract the exponents
Ignore the exponents
Divide the exponents
Add the exponents
Tags
CCSS.HSN.CN.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the product of 2i and -3i?
-6
6i
6
-6i
Tags
CCSS.HSN.CN.C.8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of (2 - 5i)(2 + 5i)?
4 + 25
4 + 25i^2
4 - 25
4 - 25i^2
Tags
CCSS.HSN.CN.A.3
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