the line joining points A(x,3) and B(2,-3) is perpendicular to BC where c is the point (10,1) Find the value of x

[fatmaster1]

 

[Deleted member 4993]

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[Steven G]

The slopes of perpendicular lines multiply out to -1 (or undefined). Find the slopes of your two lines in terms of x and determine the value for x which makes the product of the slopes -1