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This video appears on the page: Lines & Equations of Lines

Horizontal & Vertical Lines This video gets into the nitty gritty of horizontal and vertical lines. Why is there only one letter in them? How do you find the equation of a vertical line through a point? Why is the slope of a horizontal line zero, while vertical is undefined?

Horizontal & Vertical Lines

This video gets into the nitty gritty of horizontal and vertical lines. Why is there only one letter in them? How do you find the equation of a vertical line through a point? Why is the slope of a horizontal line zero, while vertical is undefined?

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Horizontal & Vertical Lines

This video gets into the nitty gritty of horizontal and vertical lines. Why is there only one letter in them? How do you find the equation of a vertical line through a point? Why is the slope of a horizontal line zero, while vertical is undefined?

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