Simplify:
(7 + 2i)(9 - 6i)
Radicals and Complex Numbers Review

Quiz
•
Mathematics
•
11th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
75-24i
63 - 24i - 12i2
51 - 24i
58 + 60i
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify:
3√-81
-27
3i√3
27i
9i
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
√-108
3i√6
3i√20
6i√3
20i√3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the sum.
(5-2i) + (-7+8i)
-2+6i
12+6i
-35-16i2
-35 -16i
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Multiply
(3i)(-2+4i)
-6+12i
-12-6i
-2+7i
12+6i
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Multiply:
(4 – 3i)(7 + 2i)
22 - 13i
28 - 19i
34 - 13i
-34 - 29i
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
i7
i
-i
1
-1
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