Algebra II I'm Working Backwards Complex Numbers

What is the conjugate of -2+5i?

• -5+2i

• -2-5i

• 2+5i

• 5-2i

Tags

CCSS.HSN.CN.A.3

Simplify:  (4+2i)/(3-i)

• 1-i

• 1+i

• 10+10i

• 1+10i

Tags

CCSS.HSN.CN.A.3

Let w=-√3/2 + 1/2 i calculate the modulus and argument.

• 3, 120^o

• 5, 270^o

• 1, 150^o

• Not Possible

Tags

CCSS.HSN.CN.B.4

• A
• B
• C
• D

• A
• B
• C
• D

Tags

CCSS.HSN.CN.A.3

• 10
• -10
• 10i
• -10i

√-81

• 9i

• -9i

• -9

• 9

√-4

• -2

• -2i

• 2

• 2i

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

• -2+6i

• 12+6i

• -35-16i²

• -35 -16i

Tags

CCSS.HSN.CN.A.2

(-3-i)(6-i)

• -21-7i

• -19-3i

• -15-5i

• -17-9i

Tags

CCSS.HSN.CN.A.2