a. b. ________ ________ c. d. ________ ________ – 4. Set Builder Notation uses inequalities (usually) to define the set -may contain the element symbol (є) The set of all numbers less than 3 {x| x < 3} The set of all positive even numbers {x| x = 2n and n єN} Example 4: Describe the sets pictured in Ex. 3 in set-builder notation. a. b. c. d. Example 5: each set in the indicated notations. Representing Intervals Interval Set-Builder Number Line Inequality Notation Notation x 2  x 2  x  2 x 1 1   OR 3 x 4  
a. b. ________ ________ c. d. ________ ________ 4. Set Builder Notation – uses inequalities (usually) to define the set -may contain the element symbol (є) The set of all numbers less than 3 {x| x < 3} The set of all positive even numbers {x| x = 2n and n єN} Example 4: Describe the sets pictured in Ex. 3 in set-builder notation. a. b. c. d. Example 5: each set in the indicated notations. Representing Intervals Number Line Inequality Interval Notation Set-Builder Notation x  2 x  2 x  2 1  x  1 OR 3  x  4
Tools%20of%20Algebra%20Packet%20-%20Notes%201%20n%20worksheets.docx