A line parallel to the x-axis has an undefined slope.
A line parallel to the x-axis has zero slope.
A line parallel to the x-axis has a positive slope because it is increasing.
A line parallel to the x-axis has a negative slope because it is decreasing.
1 answer
The correct statement is: A line parallel to the x-axis has zero slope.
This is because a line parallel to the x-axis does not rise or fall as it moves from left to right, indicating that the change in the y-coordinate is zero, resulting in a slope of zero.
