Imaginary and Complex Numbers

(2i)(3i)

• 5i

• -5

• 6i²

• -6

Tags

CCSS.HSN.CN.A.2

i¹³

• -1

• 1

• i

• -i

Tags

CCSS.HSN.CN.A.2

What is the complex conjugate of  4-3i?

•   1/(4-3i)

• 1/(4+3i)

•   -4 + 3i

•   4 + 3i

Tags

CCSS.HSN.CN.A.3

Which expression is equivalent to (3 - 4i) –(3 + 5i)?

• -9i

• -9

• 3-9i

• 3

Tags

CCSS.HSN.CN.A.2

Which expression is equivalent to (2 - 4i) +(5 + 7i)?

• 3+3i

• 7-3i

• 7+3i

• 3-3i

Tags

CCSS.HSN.CN.A.2

Which expression is equivalent to (-6 + i)²?

• 36 - 12i

• 35 - 12i

• 36i²

• 35i

Tags

CCSS.HSN.CN.C.8

Simplify the division problem: 
(2-4i)/(1+3i)

• -1-i

• (2-12i²)/10

• (5+5i)/4

• (-10-10i)/10

Tags

CCSS.HSN.CN.A.3

Simplify.

• -5i

• 5

• 5i

• -5

Simplify -√-48

• 4i√3

• -4i√3

• i√48

• -48i

x² + 36 = 0

• x = ±6

• x = 6i

• x = -6

• x = ±6i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7