Answer:
< or >
Explanation:
You want to know which 2 symbols are used for an open circle when you graph an inequality on a number line.
Open circle
An open circle on a graph indicates the point being circled is not part of the solution set. When the solution set is described by an inequality, the symbols "less than" (<) or "greater than" (>) indicate an open circle will be drawn at the boundary.
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Additional comment
The "less than or equal to" (≤) or "greater than or equal to" (≥) symbols indicate a closed (filled) circle will be used on the graph at the boundary point.
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