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Unformatted text preview: 0 x + 5 ≥ 4x  16 Since the inequality is written "backwards",
reverse the entire statement before sketching
it on the number line. 7 ≥ x
x ≤ 7 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 5 6 7 8 9 10 solving and graphing inequalities on the number line September 07, 2012 4x 3 ≥ 17
VERY IMPORTANT: remember that when you multiply or divide by a NEGATIVE NUMBER, you must REVERSE THE DIRECTION OF THE INEQUALITY SIGN. 10 7 8 9 6 5 4 3 2 1 0 1 2 3 4 3X 8 ≤ 20 ∨ x + 3 ≥ 11 10 9 8 7 6 5 4 3 2 1 1 0 2 9 8 7 6 5 4 3 6 8 7 10 9 Solve each piece separately; then graph them both on the same number line. 3 15 ≤ 2x 3 ≤ 7 10 5 4 5 6 7 8 10 9 As you solve, be sure to do each st...
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This note was uploaded on 07/20/2013 for the course MATH Algebra 2 taught by Professor Mrs.cella during the Fall '12 term at Southampton High School.
 Fall '12
 Mrs.Cella
 Inequalities

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