Complex Numbers Equations with Two Variables

Another way to express √-1 is?

• 1

• -1

• i

• 0

Tags

CCSS.HSN.CN.A.1

Leon is asked to simplify √-120. A good first step would be to...

• divide 120 by 2

• replace the negative with an i on the outside of the radical

• take the square root of -120

• graph y = √-120

The complex conjugate can be found by...

• Changing the sign of both a and b

• Changing the sign of a

• Changing the sign of b

• Switching the a and b values

Tags

CCSS.HSN.CN.A.3

• A

• B

• C

• D

Tags

CCSS.HSN.CN.A.2

Lisa wants to buy two new dresses from the mall. If one dress costs (59 - 6i) and the other costs (34 + 17i), how much money will she need to bring to the mall?

• 82 dollars

• 93 + 11i dollars

• 93 - 23i dollars

• 25 - 23i dollars

Tags

CCSS.HSN.CN.A.2

• 21 - 16i

• 21 -24i

• 11 - 16i

• 11 - 24i

• 8 + 14i

• 3 + 14i

• 13 + 14i

• 11 + 14i

Tags

CCSS.HSN.CN.C.8

• 2 + 12i

• -34 + 12i

• 34 + 12i

• -2 + 12i

Tags

CCSS.HSN.CN.A.2