Homework Help: functions in math

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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