Complex Conjugate Precalculus

What is the numerator after multiplying and before simplifying?

• 2-6i

• 2+6i

• -2+6i

• -2-6i

What is the denominator after multiplying and before simplifying?

• 17

• 13

• 5i

• 15i

What is the complex conjugate of  4-3i?

•   1/(4-3i)

• 1/(4+3i)

•   -4 + 3i

•   4 + 3i

Identify the complex conjugate of -2 - 5i.

• + 5i

• + 5i

• 2 - 5i

• -2 - 5i

What is the complex conjugate of 0 + 7i?

• 0 - 7i

• -7 + 0i

• 7 + 0i

• 0 + 7i

Find the complex conjugate of 6 - 2i.

• 6 - 2i

• 6 + 2i

• -6 - 2i

• -6 + 2i

Find the complex conjugate of -3 + 2i.

• -2 + 3i

• -3 + 2i

• -3 - 2i

• 3 - 2i

What is the complex conjugate of 2 + 2i?

• 2 + 2

• 2 + 2i

• 2 - 2i

• -2 + 2i

What is the complex conjugate of -7 - 8i?

• -7 - 8

• -7 + 8i

• 7 + 8i

• -7 - 8i

Identify the complex conjugate of -4 + 6i.

• -6 + 4i

• -4 - 6i

• -4 + 6i

• 4 - 6i