complex numbers

√-4

• -2

• -2i

• 2

• 2i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.C.7

√-36

• 6

• -6

• -6i

• 6i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

(5-2i) + (-7+8i)

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

(10+3i) - (2-9i)

• 20-27i

• 12-7i

• 8+12i

• 20-27i²

Tags

CCSS.HSA.APR.A.1

-6i+3i

• 3i

• -3i

• -2i

• -3i²

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

3i + 2i

• 5i

• 5i²

• 6i

• -5

Tags

CCSS.HSN.CN.A.2

Which of the following is equivalent to (3-5i)-(6+2i)

• -3-7i

• -3-3i

• 3-3i

• 9-7i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

What letter usually represent imaginary number?

• a

• i

• j

• x

Tags

CCSS.HSN.CN.A.1

Find the difference.
(6 - 8i) - (1 - 3i)

• 9 + 5i

• 5 - 11i

• 5 - 5i

• 7 + 5i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

Simplify
3i - (4 + 7i)

• -4 + 10i

• 21 - 12i

• 4 - 10i

• -4 - 4i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2