Complex Numbers and Operations
Quiz
•
Mathematics
•
10th Grade
•
Hard
Anthony Clark
FREE Resource
Enhance your content in a minute
20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Multiply
3i(-2 + 4i)
-6+12i
-12-6i
-2+7i
12+6i
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Where is the mistake?
Line 2: Should multiply the numerator by 3 + i
Line 2: Should multiply the denominator by 1 - i
Line 3: FOILing error
Line 4: Answers can't be fractions
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the simplified form of the above?
7/10 + 11/10 i
13/10 +1/10 i
5/4 - 3/2i
7/10 - 11/10 i
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(−3 − i) + 6 + (2 − 6i)
5 − 7i
1 + 5i
2 − i
5 + 7i
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Find the sum.
(5-2i) + (-7+8i)
-2+6i
12+6i
-35-16i2
-35 -16i
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(3 + 2i) + (5 + 4i)
6i -8
-6i -8
6i + 8
-6i + 8
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