The attached number lines represent the inequalities x ≥ 22 and x > -22
The inequalities
To answer these questions, we make use of the following inequalities
x ≥ 22 and x > -22
The ≥ inequality sign uses a closed circle, while the > inequality sign uses an open circle.
See attachment for the number line
The impact of the origin
The origin of a number line is the point zero on the number line.
It affects the graphing of the inequality because it differentiates between the positive sign and the negative sign.
Also, it is always the midpoint of the number line
What zero represent?
The point zero represents the origin of the inequality number line
Read more about number line at:
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