SOLUTION: How do I wwrite equations for the vertical and the horizontal lines passing through the point (7,-6) in x,y coordinates?? I am totally lost. Please help me. Judy

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Vertical lines are of the form where "a" is the x-coordinate of the point that the line goes through. In this case, the x-coordinate of the point (7,-6) is 7. So this means that the vertical line that goes through (7,-6) is


Horizontal lines fit the form where "b" is the y-coordinate of the given point. So in this case, the y coordinate of (7,-6) is -6 which means that the horizontal line is