# functions in math

posted by .

x y
2 -2
0 0
-2 2
-4 4

• functions in math -

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 -

I'm sorry. I don't have a clue what you're talking about.

• functions in math -

if x = 513
then y = -513

• functions in math -

• functions in math -

OHHHHH!!!! I know! It's x= y x [-1]

• functions in math -

Whew !

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