Imaginary and Complex Numbers HW

(5-2i) + (-7+8i)

• -2+6i
• 12+6i
• -35-16i²
• -35 -16i

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CCSS.HSN.CN.A.2

(2i)(3i)

• 5i
• -5
• 6i
• -6

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CCSS.HSN.CN.C.8

• A
• B
• C
• D

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CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

Multiply: 
(4 – 3i)(-7 – 2i)

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

Tags

CCSS.HSN.CN.A.2

Simplify: 
(10+ 15i) - (48 - 30i)

• 58 - 45i
• 58 - 15i
• -38 - 15i
• -38 + 45i

Tags

CCSS.HSN.CN.A.2

Multiply: 
(4 – 3i)(-7 – 2i)

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

How do you write a complex number?

• a-bi

• a+bi

• ai+b

• ai-b

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CCSS.HSN.CN.A.1

4+5i+6+6i

• 21i

• 20i+36

• 24+30i

• 10+11i

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CCSS.HSN.CN.A.2

3+√-4

• 1

• 3-2i

• 5

• 3+2i

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CCSS.HSN.CN.A.2

CCSS.HSN.CN.A.1

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