Image with alt text: A line is graphed on a coordinate plane. The line passes through the points left parenthesis negative 1 comma 2 right parenthesis and left parenthesis 1 comma negative 2 right parenthesis. Image with alt text: A vertical line is graphed on a coordinate plane. The line passes through the points left parenthesis 2 comma 2 right parenthesis and left parenthesis 2 comma negative 2 right parenthesis. Image with alt text: A horizontal line is graphed on a coordinate plane. The line passes through the points left parenthesis negative 2 comma negative 2 right parenthesis and left parenthesis 2 comma negative 2 right parenthesis.
The image with alt text shows a line graphed on a coordinate plane. The line passes through the points (-1, 2) and (1, -2).
The second image with alt text shows a vertical line graphed on a coordinate plane. The line passes through the points (2, 2) and (2, -2).
The third image with alt text shows a horizontal line graphed on a coordinate plane. The line passes through the points (-2, -2) and (2, -2).