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Operations with Complex Numbers

English 14 Public

+, -, x, divide, simplify with i.

Study Slideshow

Simplify (8-7i)*(-2i)

-16i - 14

20

Simplify 2i(8i)

-16

10

What is the real part of 17-5i?

17

5

What is the imaginary part of -6 - 3i?

-3i

5

Simplify √-25

5i

10

Simplify √-121

11i

10

Simplify (1 + 4i)(1 - 4i)

17

20

-6i(3 - 2i)

-12 - 18i

20

Simplify (5-2i)-(7+4i)

-2-6i

15

What complex number is graphed?

3i

10

What complex number is graphed?

2 - i

10

Simplify i - 7i

-6i

5

The absolute value of -2+3i

√13

15

Absolute value of -4-7i

√65

15