Question

a graph representing an inequality in one variable is shown on a
line.

when graphing an inequality, a(n)
circle on the number line indicates that the endpoint is not
included in the solution.

Explanation:

1. Inequalities in one variable are graphed on a number line, which is the standard tool for representing such solutions.
2. An open circle on a number line for inequalities signifies the endpoint is excluded from the solution set, contrasting with a closed circle (which includes the endpoint).

Answer:

number
open