Inequalities notes
<-less than >-greater than >- is greater than or equal to| is at least | is no less than | < - is less than or equal to | is as most | is no more than|
> means you shade to the right. <- has a open bubble <-has a closed bubble
< means you shade to the left.
when dividing a number by a negative, flip the sign. if you are left with a negative variable ( -x ) divide both sides by - 1 to get rid of the negative.