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?
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: ___
In a pedigree, a vertical line and a bracket connect parents to show their offspring.
Ur betta is ready to breed
y axis
Absolute value |-5| = 5
pregnant
Greenwich mean time [gmt]
Determines whether a given mathematical expression is a function or not.