Complex Numbers
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
Used 1+ times
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15 questions
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1.
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
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which are possible coordinates of the point graphed?
(-2, 120o)
(-2, 60o)
(2, -120o)
(2, 60o)
Tags
CCSS.HSN.CN.B.4
3.
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
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The distance between z=4-3i and w=-2-4i on the complex plane is...
√35
√35 i
√37
5i
Tags
CCSS.HSN.CN.B.6
5.
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
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Multiply:
(4 – 3i)(-7 – 2i)
-23 + 13i
-23 - 29i
-34 + 13i
-34 - 29i
Tags
CCSS.HSN.CN.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(5-2i) + (-7+8i)
-2+6i
12+6i
-35-16i2
-35 -16i
Tags
CCSS.HSN.CN.A.2
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