Operations with Complex Numbers

• 1

• i

• 1 + i

Tags

CCSS.HSN.CN.A.1

-5(2 + 3i)

• -10+3i

• -10-3i

• -10-15i

• -10

Tags

CCSS.HSN.CN.A.2

(5 + 2i) + (4 - 5i) = ?

• 9 - 3i

• 9 + 7i

• 9 -7i

• 9 - 10i

Tags

CCSS.HSN.CN.A.2

2i(3 + i) = ?

• 2 + 6i

• -2 + 6i

• -2 - 6i

• 2 - 6i

Tags

CCSS.HSN.CN.A.2

(3 + 5i)(3 - 5i) = ?

• 34

• -16

• 9 - 5i

• 9 + 5i

Tags

CCSS.HSN.CN.C.8

Tags

CCSS.HSN.CN.A.3

Write the conjugate of 4 - 2i.

(Do not use spaces in your answer)

Tags

CCSS.HSN.CN.A.3

Tags

CCSS.HSN.CN.A.3