Imaginary Numbers Practice

What is i?

• sqrt(-1)

• 0

• 1

• Undefined

Tags

CCSS.HSN.CN.A.1

What is the result of (5+3i) + (7+2i)?

• 12+5i

• 12+5

• 5+3i+7+2i

• 5+7i+3+2i

Tags

CCSS.HSN.CN.A.2

What is the value of i^3?

• -i

• i

• 1

• -1

Tags

CCSS.HSN.CN.A.2

What is the value of i^4?

• -1

• 0

• 1

• Undefined

Tags

CCSS.HSN.CN.A.2

What is the product of (2 + 3i) and (4 + 2i)?

• 8 − 6 + 16i

• 8 + 16i + 6

• 2 + 16i

• 2 + 16

Tags

CCSS.HSN.CN.A.3

Simplify

• 9i/5

• 2i

• 8i/5

• 13i/5

Tags

CCSS.HSN.CN.A.3

Simplify

• 17i

• 15i

• 4i-10

• 2i-10

Tags

CCSS.HSN.CN.A.3

Simplify

• (-8i+1)/10

• (8+i)/11

• (34-77i)/109

• (21-38i)/58

Tags

CCSS.HSN.CN.A.3

Simplify

• (-10+6i)/17

• (-8+15i)/17

• (-23+36i)/25

• (-21+33i)/34

Tags

CCSS.HSN.CN.A.3