Graphing Imaginary Numbers

Graphing Imaginary Numbers

and Absolute Value

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Multiple Choice

Simplify √-23

• -√23
• 23i
• 23
• i√23

Multiple Choice

Find the sum.

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

• -2 + 6i

• 12 + 6i

• -35 - 16i²

• -35 - 16i

Multiple Choice

What does i² =  ?

• 1
• -1
• √-1
• √1

Multiple Choice

Where is point C located?

• 2 + i

• -3

• 2i

• -1 - i

Open Ended

Write the complex number shown in the graph.

Open Ended

Write the complex number shown in the graph.

Multiple Choice

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

• $-9+5$

• $\sqrt{\left(-9+5i\right)^2}$

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

• $\sqrt{-9+5}$

Multiple Choice

 Find the absolute value
 $1+3i$ 

•  $\sqrt{10}$  

•  $9-i$  

•  $\sqrt{7}$  

•  $4$