[b][color=#1551b5]Does the table represent a direct variation (proportion)?[/color][/b][br][br]A table is a proportion if [br][list][br][*]there is a common factor that relates the x value with the y value[br][list][br][*][*]in other words, if x doubles, then y also doubles[br][br][/list][*]the points form a line when graphed[br][/list]

Look at the values in the table.[br]Do the they form a proportion? Check yes or no.[br]If you need a hint, use the "Hide/Show the line" checkbox.[br][br][br]This applet was inspired by Angela Herndon[br]http://www.geogebratube.org/user/profile/id/12746