Simplify √-4
Imaginary and Complex Numbers Operations

Quiz
•
Mathematics
•
12th Grade
•
Easy
Anthony Clark
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
2i
-2i
2
4i
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
(5-2i) + (-7+8i)
-2+6i
12+6i
-35-16i2
-35 -16i
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
(3i)(-2+4i)
-6+12i
-12-6i
-2+7i
12+6i
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Multiply:
(4 – 3i)(-7 – 2i)
-23 + 13i
-23 - 29i
-34 + 13i
-34 - 29i
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If z=√2+√2 i then arg(z2)=
0o
60o
90o
Not Possible
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Q1. What is the value of x?
A) 10
B) -10
C) 10i
D) -10i
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Simplify √-28
-√28
-2i√7
2i√7
28i
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