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March 26, 2017

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Write the slope-intercept equation for the line that passes through (-2, 3) and is perpendicular to 2x – 9y = -12

  • algebra - ,

    easiest way:
    since the 2 lines must be perpendicular, the new equation must look like

    9x + 2y = c
    Plug in (-2,3)
    -18 + 6 = c
    c = -12

    equation is : 9x + 2y = -12
    in slope-intercept form:
    2y = -9x - 12
    y = (-9/2)x - 6

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