Complex Imaginary Numbers
Authored by Anthony Clark
Mathematics
11th Grade
CCSS covered
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate (multiply):
(1 − 2i)(6 + 5i)
16 − 7i
-16 + 7i
-16 − 7i
16 + 7i
Tags
CCSS.HSN.CN.A.2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate:
(4 − 7i) − (-3 + 6i)
7 − 13i
7 − i
1 − 13i
1 − i
Tags
CCSS.HSN.CN.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate:
-12i + 7i
19i
-19i
5i
-5i
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate:
-4 (13 + 5i)
-52 − 20i
9 + i
17 − 20i
-52 + 20i
Tags
CCSS.HSN.CN.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
What letter usually represent imaginary number?
a
i
j
x
e
Answer explanation
Tags
CCSS.HSN.CN.A.1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6i (-5 + 10i)
-30i + 60i2
30i − 16i2
11i + 60i2
-11i2+ 16i
Tags
CCSS.HSN.CN.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate (multiply):
(4 + 3i)(4 − 3i)
16 − 9i2
25
7
8 − 6i
Tags
CCSS.HSN.CN.C.8
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