Complex Numbers worksheets
Access printable complex-numbers worksheets
Q. Simplify:
(10+ 15i)-(48 - 30i)
(10+ 15i)-(48 - 30i)
answer choices
58 - 45i
58 - 15i
-38 - 15i
-38 + 45i
Q. Simplify:
(7 + 2i)(9 - 6i)
(7 + 2i)(9 - 6i)
answer choices
75-24i
63 - 24i - 12i2
51 - 24i
58 + 60i
Q. What does i2 = ?
answer choices
-1
√-1
1
-√1
Q. Simplify
3i - (4 + 7i)
3i - (4 + 7i)
answer choices
-4 + 10i
21 - 12i
4 - 10i
-4 - 4i
Q. Find the sum.
(5-2i) + (-7+8i)
(5-2i) + (-7+8i)
answer choices
-2+6i
12+6i
-35-16i2
-35 -16i
Q. Multiply
(2i)(3i)
(2i)(3i)
answer choices
5i
-5
6i
-6
Q. Multiply
(3i)(-2+4i)
(3i)(-2+4i)
answer choices
-6+12i
-12-6i
-2+7i
12+6i
Q. Multiply:
(4 – 3i)(7 + 2i)
(4 – 3i)(7 + 2i)
answer choices
A. 22 - 13i
B. 28 - 19i
C. 34 - 13i
D. -34 - 29i
Q. The expression (2 + 3i)2 is equal to
answer choices
-5
-5 + 12i
13
13 + 12i
Q.
(-5 + 10i)(-5 - 10i) = 125
answer choices
True
False
Q.
What letter represents an imaginary number?
answer choices
a
i
j
x
Q. (4-5i)(4+5i)
answer choices
41
-9
41+40i
-9+40i
Q.
(-7+6i)2
answer choices
49+36i
85
13-84i
13+84i
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