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Adding and Subtracting Complex Numbers

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

What is the first step to solve a complex number equation?

a)

Add them

b)

Subtract

c)

Identity like terms

d)

Sing it a song

2.

Which equation is in the correct order? *Standard Form*

a)

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

b)

(7 + 0i) + (9i + 3)

c)

(5q - 1) + (6q - 8q)

d)

(10 + 8y) = (199 - 34i)

3.

Is this addition or subtraction?

(a + bi) + (c + di)

a)

Addition

b)

Subtraction

4.

Is this addition or subtraction?

(a + bi) - (c + di)

a)

Addition

b)

Subtraction

5.

What are the like terms of this equation?

4 + 7t and 2 + 3t

a)

4 and 2

b)

2 and 7t

c)

3t and 4

d)

7t and 3t

6.

Adding Complex Numbers

(8 +7i) + (4+3i)

a)

4 + 4i

b)

3 + 5i

c)

12 + 10i

d)

6 + 4i

7.

Find the first mistake

(4+7t) +(2+3t)

= 4+3 +7t+3t

= 7+10t

a)

There is none

b)

The 2 wasn't brought down

c)

The math is wrong

d)

The 7

8.

Subtract : 7−3i from 5+6i

(5+6i)−(7−3i)

a)

11i - 4i

b)

-3i +2

c)

12 - 3i

d)

-2 + 9i

9.

Add : 4+7i and 2+3i

(4+7i) + (2+3i)

a)

11i - 1

b)

6 + 10i

c)

8 - 21i

d)

28 - 6i

10.

Solve Both Equations

a)

Addition : 2 - 10i

b)

Addition : 2 + 0i

c)

Subtraction : 0 + 0i

d)

Subtraction : 6 - 4i