How do you find the slope and intercept of #y=8#?
It is a horizontal line, the slope is 0 and it crosses the y-axis at 8.
If an equation of a line does not have an x- term, it means it is a horizontal line.
It has a gradient of 0 (it does not slant at all) and the y-intercept is the number that is given.
All horizontal lines are written as
All vertical lines are written as