solving and graphing inequalities on the number line notes

# No 10 9 8 7 6 5 4 3 2 0 1 1 2 3 4 5 6 8 7 9 10

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Unformatted text preview: this, we place an arrow pointing to the left from the 2. (­∞, 2] In interval notation, we write this as Graph the inequality x &lt;-5 Is the number ­5 included in the solution set? NO ­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 0 ­1 1 2 3 4 5 6 8 7 9 10 To show this, we place an OPEN CIRCLE on the number ­5 on the number line. The arrow still points to the left. ­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5 6 7 8 9 10 (­∞, ­5) In interval notation, we write this as solving and graphing inequalities on the number line September 07, 2012 Graph the compound inequality x ≤ ­2 x &gt; 3 ∨ Remember that the symbol ∨ means &quot;or&quot; so sketch them both on the same number line. ­10 ­8 ­...
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