Complex Numbers (Add & Subtract)

Front

(7 + 2i) - (-12 - 4i)

Back

19 + 6i

Front

Add/Subtract using the proper rules:
2i + 3 + 7 - 12 i

Back

-10i + 10

Front

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

Back

-2+6i

Front

Simplify.

Back

5i

Front

Another way to express √-1 is?

Back

i

Front

i² = ?

Back

-1

Front

Simplify: (10+ 15i) - (48 - 30i)

Back

-38 + 45i

Front

How do you write a complex number? Options: a-bi, a+bi, ai+b, ai-b

Back

a+bi

Front

Simplify -√-48

Back

-4i√3

Front

Simplify √-23

Back

i√23