Understanding and using complex number notation

When we combine a Real Number and an Imaginary Number, we get a ___ number.

• Complex

• Rational

• Irrational

• none of the above

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CCSS.HSN.CN.A.1

All integers are complex numbers.

• True

• False

• Can't say

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CCSS.HSN.CN.A.1

Overall, rate your understanding on 1.2 Complex Numbers

• Okay jak miss

• Saya masih confuse sikit2

• Saya tak faham apa2 langsung miss

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CCSS.HSN.CN.A.1

What letter represents an imaginary number?

• a

• i

• j

• x

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CCSS.HSN.CN.A.1

Name the real number "part" of the complex number: 2i

• 0

• 2

• -2i

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CCSS.HSN.CN.A.1

Witch is a complex nummber

• 7

• 7i

• 7i+2

• -7

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CCSS.HSN.CN.A.1

1/4 equals .25 which gives you...

• 1

• i

• -1

• -i

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CCSS.HSN.CN.A.1

The imaginary part of 3 + 2i is ...

• 2

• 3

• 3i

• 2i

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CCSS.HSN.CN.A.1

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CCSS.HSN.CN.A.1

Complex numbers are imaginary.

• Sometimes

• Always

• Never

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CCSS.HSN.CN.A.1