Back to Lesson 4-5 Name Name 4-4B page 2 REPRESENTATIONS Objective J: Describe unions and intersections of 1. RS R 1 2 1 Ź1 3 Ź1 Ź 3 Ź 3 0 1 3 2 3 1 1 13 Ź Ź Ź Ź Ź4 Ź3 Ź2 Ź1 0 1 2 3 4 h 18. The set of all numbers h such that h < −2 or h > 2. U 19. The set of all numbers t such that t > −2 and t < 4. Ź Ź Ź Ź Ź4 Ź3 Ź2 Ź1 0 1 2 5. Draw two line segments that intersect in a point. REPRESENTATIONS 3 4 b. B none A, B, C & " % Objective J Ź3 Ź Ź 8. The set of all numbers r such that r ≥ 2 or r ≤ 3. a. 9. The set of all numbers y ≥ −17.8 and y ≥ 15. a. b. line Multiples of 6 b. C n Ź2 Ź1 0 1 Ź a. b. two rays Multiples of 5 4 Ź1 7 a. line segment including both endpoints 7. The set of all numbers f such that f ≤ −0.3 or f ≥ 5. B Multiples of 4 Sample: 6. The set of all numbers n such that −1 __47 ≤ n ≤ 0. describe relationships among sets. A # $ In 6–9, a. graph the solutions to the inequalities and b. describe the solution set geometrically. Objective K: Use Venn diagrams and hierarchies to 21. a. Let A = the set of multiples of 4, B = the set of multiples of 5, and C = the set of multiples of 6. Make a Venn diagram relating sets A, B, and C. . AB, AC, BC A a 20. The set of all numbers a such that a > −2 or a < 4. - + B C 17. The set of all numbers b such that b ≤ −1 and b ≤ 4. c. Which sets include 117? , 4. Give all possible names of the figure. C d. Which sets include 120? 3. JK ∩ LM = ∅ M K 16. The set of all numbers j such that j ≤ 4 and j > 7. b. Which sets include 35? 2. KM K S p 15. The set of all numbers p such that p ≥ − __23 and p < 1. REPRESENTATIONS See pages 271–275 for objectives. In 1–3, draw a figure to represent the following symbols. Y Ź Ź Ź Questions on SPUR Objectives SKILLS Objective B inequalities geometrically. In 14–20, graph the set. 14. The set of all numbers x such that x > −2 and x > 4. 4-5A Lesson Master ray G Ź Ź Ź ŹŹŹ Ź S Z e. Describe the members of A ∩ B. the set of multiples of both 4 and 5, or the set of multiples of 20 In 10 and 11, complete the following inequality based on the graph below. ŹŹŹŹŹŹŹŹŹ The set of all numbers x such that f. Describe the members of A ∪ (B ∩ C ). the union of the set of multiples of 4 and the set of multiples of 30 (the set of multiples of both 5 and 6) Transition Mathematics UCSMP_SMP08_NL_TM1_TR1_C04_184-2195 195 Y 10. 195 5/23/07 12:05:19 PM Name 11. Ź −48 ≤ x < −36 . z ≤ 3 _12 or z ≥ 6 _58 . [ The set of all numbers z such that Transition Mathematics 196 UCSMP_SMP08_NL_TM1_TR1_C04_184-2196 196 5/23/07 12:05:20 PM Name 4-5B Lesson Master 4-5B page 2 REPRESENTATIONS SKILLS Objective B: Draw and identify basic figures of geometry and Objective J: Describe unions and intersections of inequalities geometrically. polygons. 9. What inequality is represented by this graph? In 1–3, draw a figure to represent the following symbols. 1. AB x 2. DR 3. PY Ź4 Ź3 Ź2 Ź1 0 1 2 3 4 x < 0 or x ≥ 1 1 % 10. What inequality is represented by this graph? 3 # Q : " In 4 and 5, name each figure in two ways. L M LM, LN, or MN N −2 ≤ p < 1 m 11. a. Graph the solution set of −5.5 < m < 2. Ź6 Ź5 Ź4 Ź3 Ź2 Ź1 Z In 6–8, draw a figure that matches each condition. 12. a. Graph the solution set of t < -2 or t > 0. 7. AB and CD intersect in a point, P. 6. RS ∩ MN = S 3 $ # Sample: ' Ź Ź Ź Ź UCSMP_SMP08_NL_TM1_TR1_C04_184-2197 197 one ray that shows z > 0.5 ) Transition Mathematics [ 13. a. Graph the solution set of z ≥ −3.5 and z > 0.5. ( b. Describe the solution set. & A24 U Ź Ź Ź Ź two rays, one that shows t < −2 and the other that shows t > 0, with endpoints not included % 1 / 8. EF and GH intersect in the empty set. 2 b. Describe the solution set. " 4 . 1 a segment from −5.5 to 2 that does not include either endpoint MZ, MN N 5. 0 b. Describe the solution set. M 197 5/23/07 12:05:22 PM 198 Copyright © Wright Group/McGraw-Hill 4. Ź Ź Ź Ź Transition Mathematics UCSMP_SMP08_NL_TM1_TR1_C04_184-2198 198 5/23/07 12:05:22 PM Transition Mathematics SMP08_NL_TM1_TR_C01-06_A1-A42.inA24 A24 5/24/07 12:40:11 PM