SOLUTION: When do you use bracets, or parenthesis? Also what is the difference of an open dot, and a closed dot, when do I use what? Thank you, Nick

Algebra ->  Number-Line -> SOLUTION: When do you use bracets, or parenthesis? Also what is the difference of an open dot, and a closed dot, when do I use what? Thank you, Nick      Log On


   

Question 292932: When do you use bracets, or parenthesis? Also what is the difference of an open dot, and a closed dot, when do I use what?
Thank you,
Nick
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
You use brackets when you want to include the endpoint, and you denote this with a closed circle/dot. On the other hand, if you want to exclude the endpoint, you use a parenthesis, which is shown by an open circle.