complex #s do now

What is the simplified form of

(-9 + 5i) + (3 -2i)

• -12 + 31i

• -6 + 3i

• -11 + 7i

• 5 - 3i

What is the simplified form of

(11 - 7i) - (-3 + 12i)

• 8 - 19i

• 8 + 5i

• 13- 19i

• 14 -19i

What is the simplified form of

(-3 + 2i)(1- 4i)

• -2 - 2i

• 5 + 14i

• -11 -10i

• -3 -8i

What does i² equal?

• -1

• √-1

• 1

• -i

• Irrational Number

• Real Number

• Imaginary Number

• Complex Number

• 1

• i

• -1

• -i

√28 =

• 7√2

• 7√4

• 4√7

• 2√7

√32 =

• 3√2

• 4√8

• 16√2

• 4√2