what is the inequality sign for "at least"?
Less than is this sign > and then greater than is < and then equal to is this sign = and then not equal is the equal sign with a line through it
The sign used for "at least" is "greater than or equal to".
It looks like this : \(\ge\)
Here is an example :
\(x\quad \in \quad N\quad (x\quad is\quad a\quad Natural\quad number)\\ \\ x\quad is\quad at\quad least\quad 9\)
Can be shown like this : \(x\ge 9\).