Graph the set {x|x≤-5} on the number line. Then, write the set using interval notation.
1 answer:
The interval notation that defines this set is: (-∞, -5]
And the graph can be seen below.
<h3 /><h3>How to graph the inequality?</h3>Here we want to graph the inequality:
x ≤ -5
This refers to all the values of x equal or smaller than -5.
To graph this, we need to graph a closed circle at -5, and we need to draw an arrow that points to the left (values smaller than -5). The graph is the one that you can see below.
The interval notation that defines this set is: (-∞, -5]
The first end is open, and the second is closed (because of the symbol ≤).
If you want to learn more about inequalities:
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