Quiz about D27/D28 Add, Subtract, & Multiply Complex Numbers PRACTICE

Question 1

Simplify i⁶⁶

Accepted Answer

-1

Answer

1

Answer

i

Answer

-i

Question 2

Simplify i³⁷

Accepted Answer

i

Answer

1

Answer

-i

Answer

-1

Question 3

Simplify i²⁴

Accepted Answer

1

Answer

i

Answer

-1

Answer

-i

Question 4

Simplify i⁴³

Accepted Answer

-i

Answer

1

Answer

i

Answer

-1

Question 5

What is the simplified form of (-9 + 5i) + (3 -2i)

Accepted Answer

-6 + 3i

Answer

-12 + 31i

Answer

-11 + 7i

Answer

5 - 3i

Question 6

What is the simplifies form of (11 - 7i) - (-3 + 12i)

Accepted Answer

14 -19i

Answer

8 - 19i

Answer

8 + 5i

Answer

13- 19i

Question 7

What is the simplified form of

2i + 3 + 7 - 12 i

Accepted Answer

-10i + 10

Answer

10i - 10

Answer

14i + 10

Answer

-10i + 4

Question 8

What is the simplified form of

-3i + 2 - 4i + 16 - (4 - 8i)

Accepted Answer

i + 14

Answer

-15i + 22

Answer

-i + 14

Answer

15i - 22

Question 9

What is the simplified form of

(-6i)(3i)

Accepted Answer

18

Answer

-18

Answer

-18i

Answer

-18i2

Question 10

What is the simplified form of

(-3 + 2i)(1- 4i)

Accepted Answer

5 + 14i

Answer

-2 - 2i

Answer

-11 -10i

Answer

-3 -8i

Question 11

What is the simplified form of

(8 -3i)²

Accepted Answer

55 - 48i

Answer

73

Answer

16 - 6i

Answer

55 + 48i

Question 12

What is the simplified form of

(11 + 5i)(11 - 5i)

Accepted Answer

146

Answer

121 -110i

Answer

121 + 110i

Answer

121 - 25i²

D27/D28 Add, Subtract, & Multiply Complex Numbers PRACTICE

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