Posted by **Anonymous** on Friday, March 8, 2013 at 10:17pm.

x y

2 -2

0 0

-2 2

-4 4

What is the rule fo this????? PLease help! :]

- functions in math -
**Damon**, Friday, March 8, 2013 at 10:31pm
SKETCH A GRAPH!

find equation of line from (0,0) to (2,-2)

slope = m = -2/2 = -1

0 = -1 (0 ) + b

b = 0

so

y = -x

is the equation of the line

Try the other points :)

- functions in math -
**Anonymous**, Friday, March 8, 2013 at 10:34pm
I'm sorry. I don't have a clue what you're talking about.

- functions in math -
**Damon**, Friday, March 8, 2013 at 10:39pm
if x = 513

then y = -513

- functions in math -
**Anonymous**, Saturday, March 9, 2013 at 10:20am
I still don't get it. I'm sorry, but we just started talking about this.

- functions in math -
**Anonymous**, Saturday, March 9, 2013 at 10:35am
OHHHHH!!!! I know! It's x= y x [-1]

- functions in math -
**Damon**, Saturday, March 9, 2013 at 11:59am
Whew !

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