Finding the Conjugate

• 1

Given one complex zero use the conjugate root theorem to find another.  Zero is 7-5i

• -7+5i

• 7-5i

• -7-5i

• 7+5i

Given one complex zero use the conjugate root theorem to find another.  Zero is: -12-8i

• 12+8i

• -12+8i

• 12-8i

• -12-8i

Identify the conjugate of the complex number 1 - 10i.

• 1 + 10i

• 10 + i

• 1 - 10i

• 10 - i

Refer to the above image, what is the conjugate of the denominator?

• 8 + 6i

• 6 + 8i

• 6 - 8i

• -6 +8i

What is the conjugate of 4-3i?

• A. 1/(4-3i)

• B. 1/(4+3i)

• C. -4 + 3i

• D. 4 + 3i

Find the conjugate of the complex number 7 - 5i.

• 7 + 5i

• -7 + 5i

• -7 - 5i

• 5i - 7

Find the conjugate of the complex number -2 - 5i.

• 5i - 2

• -2 - 5i

• -2 + 5i

• 2 - 5i

The complex conjugate of a+bi is defined as a-bi. For example, the complex conjugate of 2+3i is 2-3i.

• False

• True

Find the conjugate of the complex number -5 + 7i.

• 7 - 5i

• -5 + 7i

• 5 + 7i

• -5 - 7i