Number Systems and Complex Numbers

Number Systems and Complex Numbers

Multiple Choice

i is...

• imaginary

• -1

• just a made up number from delusional mathematicians from long ago

• actually exists

Multiple Choice

From one of our previous examples i^2 is...

• $\sqrt{-1}$

• -1

• 1^2

• 1

Multiple Select

Choose all that apply...when we add complex numbers we only add

• real and real

• imaginary to imaginary

• any part can be added

Multiple Choice

Each time we multiply Complex Conjugates we will ALWAYS get...

• an imaginary number

• a rational number

• an integer

Let's Practice some more!