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functions in math

posted by on .

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

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

  • 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 - ,

    I still don't get it. I'm sorry, but we just started talking about this.

  • functions in math - ,

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

  • functions in math - ,

    Whew !

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