Asked by Shawn
Why is the line of the inequality solid when <= or >= and dotted when < or >?
It is a representation. If <=, the equal says the values can be on the line. If dotted, they cannot be on the line, but only < or > (ie, dotted means values on either side of the dotted line are allowed.)
It is a representation. If <=, the equal says the values can be on the line. If dotted, they cannot be on the line, but only < or > (ie, dotted means values on either side of the dotted line are allowed.)