Exam Review Unit 1 Math 4

Front

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

Back

-2+6i

Front

√-4

Back

2i

Front

What does i² = ?

Back

-1

Front

(2i)(3i)

Back

-6

Front

Simplify:
-3i(4 + 2i)

Back

6 - 12i

Front

Multiply: 
(4 – 3i)(-7 – 2i)

Back

-34 + 13i

Front

√-81

Back

9i

Front

Simplify: 
(10+ 15i) - (48 - 30i)

Back

-38 + 45i

Front

How do you write a complex number?

Back

a+bi

Front

(-7+6i)²

Back

13-84i