Geometry

write an equation of the line passing through the point (8,7) that is perpendicular to the line y+7=-7/17(x+8)

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  1. y = -(7/17)x + some old constant
    slope m = -7/17
    slope of perpendicular = -1/m = 17/7

    y = 17 x/7 + b

    7 = 17*8/7 + b
    49 = 136 + 7 b
    7b = -87
    b = -87/7

    7 y = 17 x - 87

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