Complex Numbers and Roots

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

• 6+4i
• -8+4i
• 2-4i
• -2+4i

Tags

CCSS.HSN.CN.A.2

(3+i)(3-i)

• 10
• 2
• 12
• 6

Tags

CCSS.HSN.CN.C.8

• x=1-i

• x=1+2i

• x=1+i

• x=1-2i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

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

• 10 - 6i
• 5 - 6i
• 12 + 5i
• 6 + 5i

Tags

CCSS.HSN.CN.A.2

• 7 - 6i
• 10 - 5i
• 4 + 11i
• -5 + 12i

Tags

CCSS.HSN.CN.C.8

• The roots are real numbers: 3 and 4
• The roots are complex numbers: 2 + 3i and 2 - 3i
• The roots are irrational numbers: √5 and -√5
• The roots are complex numbers: 5 + 2i and 5 - 2i

Tags

CCSS.HSA-REI.B.4B

CCSS.HSN.CN.C.7

• True

• False

Tags

CCSS.HSA-REI.B.4B