Solving Complex Numbers

(3 + 5i) + (2 -i)

• -4i -5

• 4i -5

• -4i + 5

• 4i + 5

i⁷⁹

• i

• 1

• -1

• -i

• Irrational Number

• Real Number

• Imaginary Number

• Complex Number

Simplify.

• -5i

• 5

• 5i

• -5

• 1

• i

• 1 + i

2i(3 + i) = ?

• 2 + 6i

• -2 + 6i

• -2 - 6i

• 2 - 6i

(3 + 5i)(3 - 5i) = ?

• 34

• -16

• 9 - 5i

• 9 + 5i

The expression (3 - 4i)² is equal to

• -7 - 24i

• 25 - 24i

• -31i

• 25

What does i² = ?

• -1

• √-1

• 1

• -√1

• i

What is the simplified form of

(8 -3i)²

• 73

• 16 - 6i

• 55 + 48i

• 55 - 48i