Complex numbers and Quadratics Review

Simplify: 
(10+ 15i)-(48 - 30i)

• 58 - 45i
• 58 - 15i
• -38 - 15i
• -38 + 45i

Tags

CCSS.HSA.APR.A.1

Simplify: 
(7 + 2i)(9 - 6i)

• 75-24i
• 63 - 24i  - 12i²
• 51 - 24i
• 58 + 60i

Tags

CCSS.HSN.CN.A.2

(-7+6i)²

• 49+36i

• 85

• 13-84i

• 13+84i

Tags

CCSS.HSN.CN.C.8

• 
• 
• 
• 

Tags

CCSS.HSN.CN.A.3

i¹³

• -1
• 1
• i
• -i

Tags

CCSS.HSN.CN.A.1

Solve the following equation by completing the square:
n² = 18n + 40

• {11 and -11}
• {16 and 2}
• {20 and -2}
• {10 and -4}

Tags

CCSS.HSA-REI.B.4B

Solve the equation:
4x²+2x - 6 = 0

• x = 1 & -1.5
• x = -1 & 1.5
• x = (-2 ±√92)/8
• x = (-2 ± √100)/8

Tags

CCSS.HSA-REI.B.4B

Find the solution.

• (6,4) and (3,1)
• (-2,7) and (5,2)
• (5,4) and(-2,-5)
• (1,-1) and (4,2)

Tags

CCSS.HSA.REI.C.7