Parts of Complex Numbers

Find the conjugate of -2 - 5i

• -2 - 5i

• -2 + 5i

• -5 - 2i

• 2 + 5i

Find the conjugate of -1 + 2i?

• 2 - i

• 1 - 2i

• -1 - 2i

• -1 + 3i

(5 + 6i) - (2 + 3i). What is the result?

• 5 + 9i

• 7 + 9i

• 3 + 3i

• 6 + 8i

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

• 6 - i

• 11 + 10i

• 6 - 5i

• 10 + 7i

Add the complex numbers (3 + 2i) and (1 - 4i). What is the result?

• 5 - 2i

• 4 - 2i

• 3 - 2i

• 2 + 6i

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Groups:

(a) Purely Real

,

(b) Purely Imaginary

,

(c) Complex (Non real)

• Purely Imaginary

• Purely Real

• Complex (Nonreal)

• Not enough information