Applying properties of operations on complex numbers to solve problems

Find:  $\left|5-2i\right|$  

•  $29$  

•  $\sqrt{29}$  

•  $3\sqrt{3}$  

•  $3$  

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CCSS.HSN.CN.B.6

What is the correct set-up to find the absolute value of -9+5i?

• $-9+5$

• $\sqrt{\left(-9+5i\right)^2}$

• $\sqrt{\left(-9\right)^2+\left(5\right)^2}$

• $\sqrt{-9+5}$

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CCSS.HSN.CN.B.6

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CCSS.HSN.CN.B.6

Find the distance between the two points.

• 
• 
• 
• 

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CCSS.HSN.CN.B.6

Q10: Do not type a degree symbol or type the word "degree". Just enter the number.

Do not put a space between the negative sign and the number.

DECIMAL ANSWER.

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CCSS.HSN.CN.B.6

Determine the absolute value of  $\left|2i\ -5\right|$  

•  $8i\ +\ 125$  

• 29

•  $4i-23$  

• -23

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CCSS.HSN.CN.B.6

The distance between z=4-3i and w=-2-4i on the complex plane is...

• √35
• √35 i
• √37
• 5i

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CCSS.HSN.CN.B.6

Find the absolute value: |3 - 4i|

• 25 

• 5 

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CCSS.HSN.CN.B.6

Find the absolute value: |1 + 3i|

• 10

• 100 

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CCSS.HSN.CN.B.6

What is the distance from the origin to point B graphed on the complex plane above?

• $\sqrt{25\ }\ =\ 5$

• $\sqrt{-25}$

• $\sqrt{-17}$

• $\sqrt{17}$

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CCSS.HSN.CN.B.6