Simplify:
(3 + 2i) + (4i + 6)
(3 + 2i) + (4i + 6)
Simplifying Imaginary Numbers
9th - 11th Grade
•20 Qs
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Simplifying Imaginary Numbers
Quiz
•
Mathematics
•
9th - 11th Grade
•
Hard
Barbara White
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9 + 6i
7i + 8
9 + 6i2
9 - 6i
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simplify:
(4 + 7i) - (3 + 2i)
(4 + 7i) - (3 + 2i)
1 + 5i
7 + 9i
1 + 9i
-1 + 5i
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify:
-3i(4 + 2i)
-3i(4 + 2i)
6 - 12i
6 + 12i
-12i - 6i2
-12i + 6i2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify:
(2 - 3i)(5 + 4i)
(2 - 3i)(5 + 4i)
22 - 7i
22 + 7i
22 - 7i2
22 + 7i2
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
30 sec • 1 pt
(4-5i)(4+5i)
41
-9
41+40i
-9+40i
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(2i)(3i)
5i
-5
6i
-6
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