Teacher/User Name: DEMO Name:__________________________
Practice Problems
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Period: ________ Date: ____________

 
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Name the Property (example: associative property of multiplication)

1) [(-5i) + (-i)] + (-3i) = (-5i) + [(-i) + (-3i)]

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2) 5/16 · 16/5 = 1
3) [(-4i) + i] + 4i = (-4i) + [i + 4i]

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4) (31 -i) · 1 = (31 -i)
5) [(-3i) · (-i)] · 3i = (-3i) · [(-i) · 3i]

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6) (-1 + i) + (21 + 5i) = (21 + 5i) + (-1 + i)
7) 4i + 2i is a complex number

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8) 4i · i is a complex number
9) -3 + 3 = 0

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10) (-3i) + (-4i) is a complex number

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