Complex Numbers

(3 + 2i) + (4 - 5i)

• 7 + 7i

• 1 - 3i

• 1 - 7i

• 7 - 3i

(-7 + 9i) + (2 - 10i)

• -5 + i

• -5 - i

• -9 + 1

• 9 - i

(4 - 2i) - (3 + 6i)

• 7 - 4i

• 1 + 4i

• 1 - 8i

• 7 - 8i

Tags

CCSS.HSA.APR.A.1

Choose the correct answer for the operation pictured.

• 7-13i
• 7-i
• 1-13i
• 1-i

Tags

CCSS.HSA.APR.A.1

(3 + 8i)(-2 - i)

• 2-19i

• 23-i

• 34+5i

• 23-i

Tags

CCSS.HSA.APR.A.1

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

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSA.APR.D.7

(3 + 8i)(-2 - i)

• 2-19i

• 23-i

• 34+5i

• 23-i

Tags

CCSS.HSA.APR.A.1

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Solve
3x² - 5 = -446

• ±√-147

• 7i√3

• ±7i√3

• -7√3

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

Simplify:
√-108

• 3i√6

• 3i√20

• 6i√3

• 20i√3