Find the sum.
(5-2i) + (-7+8i)
(5-2i) + (-7+8i)
AC Circuits 1
12th Grade - University
•20 Qs
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AC Circuits 1
Quiz
•
Physics, Mathematics, Other Sciences, Physical Ed
•
12th Grade - University
•
Medium
Used 73+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
-2+6i
12+6i
-35-16i2
-35 -16i
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Simplify:
(10+ 15i) - (48 - 30i)
(10+ 15i) - (48 - 30i)
58 - 45i
58 - 15i
-38 - 15i
-38 + 45i
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
√(-300)
10i√3
15√15
-10√3
2i√13
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
(3i)(-2+4i)
-6+12i
-12-6i
-2+7i
12+6i
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the complex conjugate of 4-3i?
A. 1/(4-3i)
B. 1/(4+3i)
C. -4 + 3i
D. 4 + 3i
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
-5 / 2i
-5i / 2
5 / 2i
5i / 2
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
(9 + 15i) / 17
(9 - 15i) / -8
(9 - 15i) / (-8 - 15i)
(9i + 15) / 17
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