Complex Numbers Conjugate

What is the denominator after multiplying and before simplifying?

• -3

• 29

• 21i

• 2+5i

Tags

CCSS.HSN.CN.A.3

What is the conjugate you would multiply by?

• 5+2i

• 5-2i

• -5-2i

• -5+2i

Tags

CCSS.HSN.CN.A.3

What is the conjugate you would multiply by?

• 2+i

• 2-i

• -2+i

• -2-i

Tags

CCSS.HSN.CN.A.3

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

• 8 + 6i

• 6 + 8i

• 6 - 8i

• -6 +8i

Tags

CCSS.HSN.CN.A.3

What is the denominator after multiplying and before simplifying?

• -10

• -2i

• 2i

• 10

Tags

CCSS.HSN.CN.A.3

What is the numerator after multiplying and before simplifying?

• 6-8i

• 12-6i

• 8+6i

• -3+4i

Tags

CCSS.HSN.CN.C.8

What is the numerator after multiplying and before simplifying?

• 2-6i

• 2+6i

• -2+6i

• -2-6i

Tags

CCSS.HSN.CN.A.3

What is the conjugate of -4i - 6?

• -4i + 6

• 4i + 6

• -6 + 4i

• -6 - 4i

Tags

CCSS.HSN.CN.A.3

What is the conjugate of -2i + 7

• -2i - 7

• 2i - 7

• -7 + 2i

• 7 + 2i

Tags

CCSS.HSN.CN.A.3

What is the conjugate of -8i?

• -8i

• 8i

Tags

CCSS.HSN.CN.A.3