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

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

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 <-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 > 3 ∨ Remember that the symbol ∨ means "or" so sketch them both on the same number line. ­10 ­8 ­...
View Full Document

Ask a homework question - tutors are online