Multiplying Complex Numbers

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

• 1

• -1

Tags

CCSS.HSF-IF.C.8B

Tags

CCSS.HSA.APR.A.1

Tags

CCSS.HSA.APR.A.1

Tags

CCSS.HSA.APR.A.1

(i)(3i)

• -3i
• -3
• 3
• 2i

Tags

CCSS.HSA.APR.A.1

(-3-i)(6-i)

• -21-7i
• -19-3i
• -15-5i
• -17-9i

(5-i)(5-i)

• 15-8i
• 36
• 24+10i
• 24-10i

(7-5i)(7+5i)

• 74
• 75
• 74-1

Tags

CCSS.HSA.APR.A.1