14 Slides • 14 Questions

Imaginary & Complex Numbers

Dr. Tom Giles

2

Solve the following quadratic equation.

3

Solve the following quadratic equation.

4

Real Numbers

5

6

7

8

9

10

11

12

13

14

15

Multiple Choice

Simplify √-4

1

2i

2

-2i

3

2

4

4i

16

Multiple Choice

Simplify √-81

1

-√81

2

-9i

3

9i

4

81i

17

Multiple Choice

Simplify.

$\sqrt{-4}$

1

-2

2

4i

3

2

4

2i

18

Multiple Choice

(5-2i) + (-7+8i)

1

-2+6i

2

12+6i

3

-35-16i²

4

-35 -16i

19

Multiple Choice

In -3 + 6i, what is the real part?

1

3

2

6i

3

-3

4

-3 + 6i

20

Multiple Choice

Simplify

1

25i

2

-5i

3

5i

4

±

21

Multiple Choice

Simplify

1

4i √2

2

4√2

3

2i √8

4

2 i√8

22

Multiple Choice

$-\sqrt{-100}$

1

10

2

-10

3

10i

4

-10i

23

Multiple Choice

$4\sqrt{-50\ }=$

1

$-8\sqrt{2}$

2

$-20\sqrt{2}$

3

$8i\sqrt{5}$

4

$20i\sqrt{2}$

24

Multiple Choice

What is the simplified form of (11 – 7i) – (–3 + 12i)

1

8 – 19i

2

8 + 5i

3

13 – 19i

4

14 –19i

25

Multiple Choice

What is the simplified form of (–6i)(3i)

1

–18

2

–18i

3

18

4

–18i²

26

Multiple Choice

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

1

–12 + 31i

2

–6 + 3i

3

–11 + 7i

4

5 – 3i

27

Multiple Choice

(3i)(-2+4i)

1

-6+12i

2

-12-6i

3

-2+7i

4

12+6i

28

Multiple Choice

Multiply:
(4 – 3i)(-7 – 2i)

1

A. -23 + 13i

2

B. -23 - 29i

3

C. -34 + 13i

4

D. -34 - 29i

Imaginary & Complex Numbers

Dr. Tom Giles

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Imaginary and Complex Numbers

Imaginary & Complex Numbers

​Solve the following quadratic equation.

​Solve the following quadratic equation.

​Real Numbers

Imaginary & Complex Numbers

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Solve the following quadratic equation.

Solve the following quadratic equation.

Real Numbers