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March 26, 2017

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on a number line, the midpoint is -2. Name to possible endpoints for the segment. How would this be found.

  • geometry - ,

    A(x1,y1),B(x2,y2),C(x3,y3).
    A(x1,0), B(-2,0), C(x3,0).
    AB = BC
    -2-x1 = x3+2.
    -x1-x3 = 4
    Eq1: x1+x3 = -4.

    In Eq1,Letx1 = -6:
    -6 + x3 = -4
    x3 = 2.
    A(-6,0), B(-2,0), C(2,0).

    In Eq1, Let x1 = -4.
    -4 + x3 = -4
    x3 = 0.
    A(-4,0), B(-2,0), C(0,0).

    NOTE: Values chosen for X1 should be less than -2 so the numbers on the line increases to the right.

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