# What are the intercepts for horizontal and vertical line graphs?

Refer table above.

For a horizontal line, y = 0 or y/b = 0 and the equation becomes,

Similarly, for a vertical line, x = 0 or x / a = 0 and the equation becomes,

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For a horizontal line graph, the y-intercept is the point where the line intersects the y-axis, and the x-intercept does not exist because the line is parallel to the x-axis.

For a vertical line graph, the x-intercept is the point where the line intersects the x-axis, and the y-intercept does not exist because the line is parallel to the y-axis.

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