Question

A(n) __________ circle is used over a number when the solution can be equal to that number.

open

closed

Answer 1

closed

Explanation:

closed circle are used in cases when solution can be equal. for example less than equal or more than equal to some number. open circles are restricted to only using when something is less than or more than a number.

Answer 2

"A closed, or shaded, circle is used to represent the inequalities greater than or equal to ( ) or less than or equal to ( ). The point is part of the solution. An open circle is used for greater than (>) or less than (<). The point is not part of the solution."

Explanation:

i got that from the internet because i wasn't sure how to explain it, hope it helps. :))