how do you know whether to use a [ or a ( when your solving inequalities and putting them on a number line?

Question

campbell_st · Answer

there are 2 basics   an open circle on the number lin means don't include the number and is used for less than or greater than

a closed circle means include the number and is used for greater than or equal to    or less than or equal to.

anonymous · Answer

yeah but its giving me mulitiple choice answers and they have either brackets or parethesis and i dont know which one to use :/

campbell_st · Answer

rounded brackets are the open interval > or < e.g -5< x< -3 (-5, -3) i and square are []<= or >=

anonymous · Answer

okay thank you(: