A14­5CompoundIneq.notebook Algebra 1 Ch.4 Notes Page 21 P21 4­5 Compound Inequalities January 30, 2015 Compound Inequalities Compound Inequalities are two Inequalities that are joined by the word and or the word or And Means that both things have to be true A and B (The Graphs will overlap) 2 < x < 5 Or Means either the first thing or the second thing have to be true A or B (The Graphs might or might not overlap) x < 3 or x > 5 Sep 2­8:31 AM Oct 20­9:12 AM AND Example Solving And Problems Write and Graph the Inequality 5 < r + 3 < 10 The books cost from $5 to $10 Split into two parts: 5 < r + 3 and r + 3 < 10 Oct 21­7:23 AM Oct 21­7:29 AM 1 A14­5CompoundIneq.notebook OR Example January 30, 2015 Solving OR Problems Write and Graph the Inequality Solve each part then graph Discounts are given to people under the age of 10 or over the age of 65 4x + 3 < ­5 or ­2x + 7 < 1 Oct 21­7:26 AM Oct 21­7:28 AM HW #22 4­4 P222 #1­6,10,13­16,22­25,31,32,36,42 4­5 P229 #3­27 (Odds) Please put your name and class period at the top of the homework. Also include the homework number. Sep 26­6:46 AM 2