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Geometry

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The line m has the equarion y= 2x + 1. The line n is perpendicular to m and passes through the point A(2,1). Write an equation of n

  • Geometry -

    slope of perpendicular = -1/m = -1/2
    so
    y = -x/2 + b
    put in 2 for x and 1 for y and solve for b

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