AnswersCMS 2026-2027 NC Math 2 CREDIT RECOVERYComplex Numbers

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1
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What is the value of i to the 97th power minus i ?

A
0
B
negative 2 i
C
negative i
D
i to the 96th power
2
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Which of the following is equivalent to 18 minus square root of negative 25 ?

A
5 i
B
18 minus 5 i
C
18 plus 5 i
D
23
3

In which quadrant is the number negative 14 minus 5 i located on the complex plane?

A
III
B
II
C
IV
D
I
4

What is the sum of square root of negative 2 and square root of negative 18 ?

A
4 square root of 2
B
4 i square root of 2
C
5 i square root of 2
D
5 square root of 2
5

Which of the following is an example of a complex number that is not in the set of real numbers?

A
negative 7
B
pi
C
4 plus 9 i
D
2 plus square root of 3
6

What is the square root of negative 1 ?

A
i
B
negative i
C
negative 1
D
1
7

What is the square root of negative 16 ?

A
8 i
B
negative 8 i
C
negative 4 i
D
4 i
8

If i is equal to square root of negative 1 , what is the value of i cubed ?

A
i
B
1
C
negative i
D
negative 1
9

Which expression is equivalent to i to the 233th power ?

A
i
B
negative i
C
negative 1
D
1
10

Which expression is equivalent to square root of negative 80 ?

A
4 i square root of 5
B
negative 4 square root of 5
C
negative 4 i square root of 5
D
4 square root of 5
11

Which expression is equivalent to i to the 233th power ?

A
1
B
negative 1
C
negative i
D
i
12

Which of the following is an example of a complex number that is not in the set of real numbers?

A
2 plus square root of 3
B
pi
C
4 plus 9 i
D
negative 7
13

What is the square root of negative 1 ?

A
negative 1
B
negative i
C
i
D
1
14

If i is equal to square root of negative 1 , what is the value of i cubed ?

A
1
B
i
C
negative 1
D
negative i
15

What is the square root of negative 16 ?

A
negative 8 i
B
negative 4 i
C
4 i
D
8 i
16

What is the value of i to the 97th power minus i ?

A
i to the 96th power
B
negative 2 i
C
negative i
D
0
17

Which of the following is equivalent to 18 minus square root of negative 25 ?

A
18 plus 5 i
B
5 i
C
23
D
18 minus 5 i
18

What is the sum of square root of negative 2 and square root of negative 18 ?

A
5 i square root of 2
B
5 square root of 2
C
4 i square root of 2
D
4 square root of 2
19

Which expression is equivalent to square root of negative 80 ?

A
negative 4 square root of 5
B
4 i square root of 5
C
negative 4 i square root of 5
D
4 square root of 5
20

In which quadrant is the number negative 14 minus 5 i located on the complex plane?

A
I
B
III
C
II
D
IV

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