A2 - 2/10 Notebook Quiz

The imaginary unit,​ (a)   ​ , is defined as ​ (b)   . This is useful when working with square roots of negative numbers.

• j

• {-2i, 2i}

Match the following.

5.9: Powers of i

• i

• 1

• -1

• -i

• 1

• i

• -i

• -1

• 192