Imaginary Numbers

If the discriminant of a quadratic equation was 0, what type of solution(s) would the equation have?

• Two rational solutions

• One rational solution

• Two imaginary solutions

• Two irrational solutions

Tags

CCSS.HSA-REI.B.4B

If a quadratic equation had two imaginary solutions, which of the choices could be the discriminant of the equation?

• 12

• 70

• 9

• -54

Tags

CCSS.HSA-REI.B.4B

Simplify √-4

• 2i
• -2i
• 2
• 4i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.2

Simplify √-45

• 3i√5
• -3i√5
• -i√45
• 45i

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

Multiply: 
(4 – 3i)(-7 – 2i)

• A.  -23 + 13i
• B.  -23 - 29i
• C.  -34 + 13i
• D.  -34 - 29i

Tags

CCSS.HSN.CN.A.2

(2i)(3i)

• 5i
• -5
• 6i²
• -6

Tags

CCSS.HSN.CN.A.2

Fully simplify....

• 
• 
• 
• 

Tags

CCSS.HSA.APR.D.6

CCSS.HSA.APR.D.7

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2

• A
• B
• C
• D

Tags

CCSS.HSN.RN.A.2

What would be the simplified form of this fraction?

• 
• 
• 
• 

Determine the complex conjugate of (-3-12i)

• -3-12i
• 3-12i
• 3+12i
• -3+12i

Tags

CCSS.HSN.CN.A.3