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## Topic review (newest first)

bobbym
2013-02-09 20:05:02

Hi cooljackiec;

|5-12i|+|3-4i| = 13 + 5 = 18

cooljackiec
2013-02-09 14:07:39

a) Suppose we graph every point z  in the complex plane such that |z| = 4. What shape results?

b) What is the graph of the equation |z-2i| = 3

cooljackiec
2013-02-09 10:52:33

Compute |5-12i|+|3-4i|.

bobbym
2013-02-09 02:20:20

Them there is fightin words where we all come from. - Gary Cooper

anonimnystefy
2013-02-09 02:11:02

Yes, yes I did.

bobbym
2013-02-09 02:03:18

Hmmmm, you got me. You are correct!

anonimnystefy
2013-02-09 01:59:00

Those are not imaginary numbers. They are complex!

bobbym
2013-02-09 01:46:51

Why not? What did I do wrong?

anonimnystefy
2013-02-09 01:41:23

Hi bobbym

Those numbers you posted aren't imaginary either...

bobbym
2013-02-09 00:27:13

Hi ;

bob bundy
2013-02-08 23:53:43

hi scientia

Nice solution.

So where are the imaginary numbers?

Perhaps you have to imagine them.

Bob

scientia
2013-02-08 22:40:39

So where are the imaginary numbers?

bobbym
2013-02-08 19:09:46

Hi;

cooljackiec
2013-02-08 14:30:23

How many pairs of integers (b,c) satisfy the equation