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Math Help - Complete the table?

  1. #1
    Newbie ladiegimmick's Avatar
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    Complete the table?


    Can someone help me fill out this table? Maybe....Show me how?
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  2. #2
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    e^(i*pi)'s Avatar
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    Quote Originally Posted by ladiegimmick View Post

    Can someone help me fill out this table? Maybe....Show me how?
    Put in the relevant value of x into your equation and see what comes out.

    Note that a negative squared is a positive so f(2) = f(-2). Also note that you should square before taking the minus sign

    For example with x=-2

    x = -2
    y = -(-2)^2 + 2 = -2

    (x,y) = -2, -2

    With x=2

    x = 2
    y = - (2^2) + 2 = -2
    (x,y) = 2, -2
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  3. #3
    Newbie ladiegimmick's Avatar
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    Quote Originally Posted by e^(i*pi) View Post
    Put in the relevant value of x into your equation and see what comes out.

    Note that a negative squared is a positive so f(2) = f(-2). Also note that you should square before taking the minus sign

    For example with x=-2

    x = -2
    y = -(-2)^2 + 2 = -2

    (x,y) = -2, -2

    With x=2

    x = 2
    y = - (2^2) + 2 = -2
    (x,y) = 2, -2

    Thanks so much^_^ I understand now!!
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