Since the line passes through point (-2, 5) and (-2, y), this has to be a vertical line, because the x values are identical for all vertical lines. The y-coordinate can be any real number because the line extends from negative infinity to positive infinity. The slope of the line is undefined (vertical lines have an undefined slope). x = -2, because all x values are constant for vertical lines. The equation of the line is .... x = -2