Prealgebra

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Identify the slope and y-intercept of the line with the given equation then graph the equation.

Y=-2

* must use slope-intercept form

  • Prealgebra -

    Y = -2.

    This is ihe Eq of a hor. line, and it is 2 units below the x-axis. Since y is
    constant, it is = -2 for all values of x:

    (x,y).
    (-2,-2)
    (0,-2)

    m = (-2-(-2)) / (0-(-2)) = 0/2 = 0.

    Y = mx + b = -2.
    0*-2 + b = -2
    b = -2. = y-Int.

    Use the following points for graphing:

    (-2,-2)
    (0,-2)
    (2,-2)

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