Multiplying Complex Numbers

• -3i

• -3

• 3

• 2i

Tags

CCSS.HSA.APR.A.1

• 1

• -1

Tags

CCSS.HSF-IF.C.8B

Tags

CCSS.HSA.APR.A.1

 $Simplify:\ \ \ \ 2i\left(i+8i^2\right)$ 

•  $-2\ -\ 16i$ this is the answer

•  $2+16i$ 

•  $-2i\ -\ 16i^3$ 

•  $2i\ -\ 16i$ 

Tags

CCSS.HSA.APR.A.1

Tags

CCSS.HSA.APR.A.1

 $Simplify:\ \ \ 4i\left(2i^2\right)$ 

•  $-8i$ this is the answer

•  $8i$ 

•  $-8$ 

•  $8$ 

(i)(3i)

• -3i
• -3
• 3
• 2i

Tags

CCSS.HSA.APR.A.1

(-3-i)(6-i)

• -21-7i
• -19-3i
• -15-5i
• -17-9i

A complex number can be expressed as a + bi. What does a represent?

• the real part of the complex number

• the imaginary part of the complex number

• depends on the sign of the number

• the square root of the complex number

Tags

CCSS.HSN.CN.A.1