Vertical
A vertical line!
A vertical line has an undefined slope. For the line to be parallel to a vertical line, the slopes would have to be the same. Therefore, the line parallel to a vertical line also has an undefined slope.
A horizontal line is a line perpendicular to the vertical.
all vertical lines are parallel to waht type of line?
it means that the line in the linear equation is a vertical line
Those are parralel lines.
Vertical
I got the same things :/ what's this mean?
A vertical line!
You could always use www.dictionary.com and search the word, but in a nut shell, it's the direction of up/down. This line is vertical: | This line is horizontal: ___
A horizontal line is perpendicular to a vertical line.
WHY THE LINE X=4 IS A VERTICAL LINE.
A vertical line has an undefined slope. For the line to be parallel to a vertical line, the slopes would have to be the same. Therefore, the line parallel to a vertical line also has an undefined slope.
A horizontal line is a line perpendicular to the vertical.
In a pedigree, a vertical line and a bracket connect parents to show their offspring.
all vertical lines are parallel to waht type of line?