Imaginary numbers

Simplify 2√-32

• 2i√32
• 4i√2
• 8i√2
• -16i√2

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

CCSS.HSN.RN.A.2

Simplify √-25

• i√25
• 5i
• -5i
• 25i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

CCSS.HSN.RN.A.2

Simplify √-1

• 1
• -i
• -1
• i

Tags

CCSS.HSN.CN.A.1

Simplify -√-8

• -i√8
• -2i√2
• 2i√2
• -8i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

CCSS.HSN.RN.A.2

Simplify √-45

• 3i√5
• -3i√5
• -i√45
• 45i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

CCSS.HSN.RN.A.2

CCSS.HSN.CN.B.4

Multiply: 
(4 – 3i)(-7 – 2i)

• A.  -23 + 13i
• B.  -23 - 29i
• C.  -34 + 13i
• D.  -34 - 29i

Tags

CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

Simplify: 
(10+ 15i)-(48 - 30i)

• 58 - 45i
• 58 - 15i
• -38 - 15i
• -38 + 45i

Tags

CCSS.HSN.CN.A.2

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

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

Tags

CCSS.HSN.CN.A.2

Multiply:
(2-5i)(2+5i)

• 29
• 4 - 25i
• 25 - 10i
• -21

Tags

CCSS.HSN.CN.C.8

Simplify:
2i(4 - 3i)

• 6 + 8i
• 6 - 8i
• 8i - 6i²
• 8i + 6i²

Tags

CCSS.HSA.APR.A.1