Complex Number Operations and Conjugates

Add the complex numbers (3 + 2i) and (5 - 4i)

• 7 - 6i

• 2 + 6i

• 8 - 2i

• 9 - 2i

Tags

CCSS.HSN.CN.A.2

Subtract the complex numbers (7 - 3i) and (2 + 5i)

• -5 - 8i

• 10 + 2i

• 3 - 2i

• 9 - 7i

Tags

CCSS.HSN.CN.A.2

Find the product of the complex numbers (6 - 2i) and (3 + 4i)

• 9 + 24i

• 26 + 14i

• 18 - 8i

• 10 + 2i

Tags

CCSS.HSN.CN.A.2

Find the conjugate of the complex number (9 - 7i)

• 9 + 7

• 9 + 7i

• 9 - 7i

• 9 - 7

Tags

CCSS.HSN.CN.A.3

(10-6i) - (2+3i)

• 12 + 3i

• 8 - 3i

• 8 - 9i

• -9i + 8

Tags

CCSS.HSN.CN.A.2

What is the standard form for a complex number?

• -8i

• a + bi

• bi + a

• -8i + 8

Tags

CCSS.HSN.CN.A.1

What is the simplified form of the above?

• 7/10 + 11/10 i

• 13/10 +1/10 i

• 5/4 - 3/2i

• 7/10 - 11/10 i

Tags

CCSS.HSN.CN.A.3

Find the sum.
(5-2i) + (-7+8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSN.CN.A.2

Simplify    3i + 2i

• 5i

• 5i²

• 6i

• -5

Tags

CCSS.HSN.CN.A.2

Simplify.

• -5i

• 5

• 5i

• -5