(1-3i)(2+5i)

• 22-i
• 16-i
• 17-i

Tags

CCSS.HSN.CN.A.2

The expression (2 + 3i)² is equal to

• -5
• -5 + 12i
• 13
• 13 + 12i

Tags

CCSS.HSN.CN.C.8

Simplify

• (-10+6i)/17

• (1+50i)/61

• (-23+36i)/25

• (-21+33i)/34

Tags

CCSS.HSN.CN.A.3

Simplify   i²³

• i
• -1
• 1
• -i

Tags

CCSS.HSN.CN.A.2

In which quadrant would you find an angle measuring  -700°?

• 1
• 2
• 3
• 4

Tags

CCSS.HSF.TF.A.2

CCSS.HSF.TF.C.8

Which of the following is a quadrantal angle?

• -180^o

• 91^o

• 45^o

• 108^o

What is 135° in radians?

• 3/4
• 3π/4
• 3/5
• 3π/5

Tags

CCSS.HSF.TF.A.1

What is 11π/12 in degrees?

• 164

• 165

• 162

• 163

Tags

CCSS.HSF.TF.A.1

Find the length s of the arc that subtends a central angle of measure 40° in a circle of radius 12 m.

• 8.38 m
• 480 m
• 3.3 m
• 10.2 m

Tags

CCSS.HSG.C.B.5

Are these triangles similar?
Known angles in Triangle 1:  40⁰,60⁰
Known angles in Triangle 2:  80⁰,40⁰

• Yes
• No
• There is not enough information to decide.

Tags

CCSS.HSG.SRT.A.2