Operations Imaginary Numbers

Evaluate i^24

• -1

• 1

• i

• -i

Evaluate i^51

• -1

• 1

• i

• -i

Simplify (2i)(3i)²

• -18

• 18i

• -18i

• -6

• 6i

Which of the following is equivalent to (5-3i)+(-6+2i)?

• -1-5i

• -1-i

• 11-i

• -30-6i

Which of the following is equivalent to (3-5i)-(6+2i)

• -3-7i

• -3-3i

• 3-3i

• 9-7i

What letter usually represent imaginary number?

• a

• i

• j

• x

What is the "real part" of the complex number (-2+7i)?

• 2

• -2

• 7i

• -7i

What is the "imaginary part" of the complex number (-2+7i)?

• 2

• -2

• 7i

• -7i

Simplify
2i - 7i + 10

• -5i+10

• 5i

• 9i+10

• 5i+10

i(2+5i)

• -5+2i

• 5-2i

• 7i

• 2i+5i