Practice - McGraw-Hill Higher Education

5-1NAME______________________________________________ DATE______________ PERIOD _____PracticeGraphing Systems of EquationsUse the graph at the right to determine whethereach system has no solution, one solution, orinfinitely many solutions.1. x y 3 2. 2x y 3x y 34x 2y 63. x 3y 3 4. x 3y 3x y 32x y 3x 3y 34x 2y 6Oy2x y 3x y 3x y 3xGraph each system of equations. Then determine whether the system has nosolution, one solution, or infinitely many solutions. If the system has one solution,name it.5. 3x y 2 6. y 2x 3 7. x 2y 33x y 0 4x 2y 6 3x y 5yyLesson 5-1OxOxCopyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.BUSINESS For Exercises 8 and 9, use the followinginformation.Nick plans to start a home-based business producing andselling gourmet dog treats. He figures it will cost $20 inoperating costs per week plus $0.50 to produce each treat.He plans to sell each treat for $1.50.8. Graph the system of equations y 0.5x 20 andy 1.5x to represent the situation.9. How many treats does Nick need to sell per week tobreak even?SALES For Exercises 10–12, use the followinginformation.A used book store also started selling used CDs and videos.In the first week, the store sold 40 used CDs and videos, at$4.00 per CD and $6.00 per video. The sales for both CDsand videos totaled $180.0010. Write a system of equations torepresent the situation.Cost ($)4035302520151050Dog Treats5 10 15 20 25 30 35 40 45Sales ($)11. Graph the system of equations.12. How many CDs and videos did the store sell in the firstweek?Chapter 5 9 Glencoe Algebra 1