Practice - McGraw-Hill Higher Education

NAME ______________________________________________ DATE______________ PERIOD _____11-1 PracticeInverse VariationGraph each variation if y varies inversely as x.1. y 2 when x 12 2. y 6 when x 5 3. y 2.5 when x 2yy162481216 8 O 8 16x81624 12 O 12 24x1224Write an inverse variation equation that relates x and y. Assume that y variesinversely as x. Then solve.Lesson 11-14. If y 124 when x 12, find y when x 24.5. If y 8.5 when x 6, find y when x 2.5.6. If y 3.2 when x 5.5, find y when x 6.4.7. If y 0.6 when x 7.5, find y when x 1.25.Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.18. If y 6 when x , find x when y 4.219. If y 8 when x , find x when y 12.410. If y 4 when x 2, find x when y 10.11. If y 7 when x 4, find x when y 6.EMPLOYMENT For Exercises 12 and 13, use the following information.The manager of a lumber store schedules 6 employees to take inventory in an 8-hour workperiod. The manager assumes all employees work at the same rate.12. Suppose 2 employees call in sick. How many hours will 4 employees need to takeinventory?13. If the district supervisor calls in and says she needs the inventory finished in 6 hours,how many employees should the manager assign to take inventory?14. TRAVEL Jesse and Joaquin can drive to their grandparents’ home in 3 hours if theyaverage 50 miles per hour. Since the road between the homes is winding andmountainous, their parents prefer they average between 40 and 45 miles per hour.How long will it take to drive to the grandparents’ home at the reduced speed?Chapter 11 9 Glencoe Algebra 1