Proportional Reasoning with tables.pdf - MrWalkerHomework

Name_______________________________________________ Date_______________ Proportional Reasoning with tables, equations and graphs. Directions: Tell weather the table is proportional? If so write the equation. 1.) x y 2.) p r 3.) x y 0 0 0 0 1 3 1 1 2 8 2 6 2 2 4 16 3 9 3 3 5 20 4 12 4.) x y 5.) s t 2 10.5 2 3 4 5 10 6 6 9 8 8 16 6.) Input Output 7.) a b 24 3 72 9 ⅕ ⅖ 3 104 13 120 15 ⅗ ⅘ 9

8.) The table below shows the number of chaperones, y, needed for a certain number of students,x, at a school dance.# ofStudents(x)# ofChaperones(y)School Dance25 30 40 605 6 8 12Part AIs this relationship proportional between the number of students and the chaperones?Explain why or why not on the lines below.Part BWrite an equation that represents the relationship between the number of chaperonesneeded and the number of students attending a dance.EquationPart CHow many chaperones will be needed for a dance that has 240 students?Answerchaperones

Part DPlot and graph the data from the table.School Dance Chaperones Students Part EIf you continued the graph to include 20 chaperones, would the point (20, 105) be on thisgraph? Why or why not?