Simplify:
(10 + 15i) - (48 - 30i)
(10 + 15i) - (48 - 30i)
Review Operations With Complex Numbers
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Review Operations With Complex Numbers
Quiz
•
Mathematics
•
10th - 12th Grade
•
Hard
Barbara White
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
58 - 45i
58 - 15i
- 38 - 15i
- 38 + 45i
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Find the sum.
(5 - 2i) + (- 7 + 8i)
(5 - 2i) + (- 7 + 8i)
- 2 + 6i
12 + 6i
- 35 - 16i2
- 35 -16i
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(1 - 3i)(2 + 5i)
22 - i
16 - i
17 - i
3 - 15i
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(3 + 8i)(- 2 - i)
2 - 19i
23 - i
34 + 5i
23 - i
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What does i2 = ?
- 1
√- 1
1
- √1
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(10 + 3i) - (2 - 9i)
20 - 27i
12 - 7i
8 + 12i
20 - 27i2
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
3i + 2i
5i
5i2
6i
-5
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