Complex Numbers
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Match the expression to the graph shown in the complex plane.
(4,0)
4 + 4i
-4(i2)
4i
Tags
CCSS.HSN.CN.B.4
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The product of the following complex number in polar form √5(cos130o + i sin130o) ⋅ √45(cos15o + i sin15o) is...
50(cos145o + i sin145o)
15(cos145o + i sin145o)
81(cos100o + i sin100o)
All Options are Correct
Tags
CCSS.HSN.CN.B.4
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify: (4+2i)/(3-i)
1-i
1+i
10+10i
1+10i
Tags
CCSS.HSN.CN.A.3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What complex number is represented by the graph?
-3-i
-3+i
1+3i
1-3i
Tags
CCSS.HSN.CN.B.4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The rectangular form of the complex number 12(cos315o + i sin315o) is...
6√2 + 6√2 i
6√2 - 6√2 i
-6√2 + 6√2 i
-6√2 - 6√2 i
Tags
CCSS.HSN.CN.B.4
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Let w=-√3/2 + 1/2 i calculate the modulus and argument.
3, 120o
5, 270o
1, 150o
Not Possible
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If z=√2+√2 i then arg(z2)=
0o
60o
90o
Not Possible
Tags
CCSS.HSN.CN.B.4
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