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Find an equation of the line that satisfies the given conditions.

Through (8, 6); perpendicular to the line y = 7

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John R. | John R: Math, Science, and History TeacherJohn R: Math, Science, and History Teach...
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Anytime you have a an equation of a line that is y equals a constant, you have a horizontal line.  In this case, it is a horizontal line that is 7 above the x-axis.


Any line that is perpendicular to a horizontal line is a vertical line.  The equation for a vertical line is x equals a constant.

The equation for the line you need is :  x = 8, because it is the only vertical line that passes through (8,6).

 

x = 8