When graphing an inequality, what does a dotted line represent? Why do we us it?

Question

owlfred · Answer

Hoot! You just asked your first question! Hang tight while I find people to answer it for you. You can thank people who give you good answers by clicking the 'Good Answer' button on the right!

anonymous · Answer

a dotted line represents just less than or greater than so that number on that line IS NOT included on the region. Now if was a solid like it represents less than or equal to or greater than or equal to which IS including the line

anonymous · Answer

its somewhat showing the difference between $$\le <or >\ge$$

anonymous · Answer

Thanks so much! Is this a good site for help like this? I am takin a finite math class and I suck at Math LOL

anonymous · Answer

i hope that makes sense
to be honest i just joined today.
a website i use a lot is wolframalpha.com where it can give you a detailed anaylasis of the question your asking (mostly math)

anonymous · Answer

from what ive seen though it does seen helpful although ive spend more time answering questions than studying for my test tomm >.>

anonymous · Answer

Thanks Kanade! and good luck on your test!

anonymous · Answer

thanks xD GL on ur studies too, and if you need a question you can just ask. I think i can answer most questions on here