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This Concept Map, created with IHMC CmapTools, has information related to: TchrD-6.1sg_reliability, Molly: The traveled 180 miles in Jorge: 3 hours, [corresponding graph] shows Molly: The traveled 180 miles, St: "what you're doing" examples of "lots of different rates" speed, Abel: "It would have been going [in] a straight line" [gestures horizontally] clarify All lines "are straight", graph: bus (moving then stopped) and van (at constant speed) tie] shows Mack: The bus got there first., [Abel's sideways /\ graph] is problematic because Kelsy: "he can't be at 2 places at the same time.", (y2 - y1)/ (x2 - x1) means "the difference in the y [or x]", at 2 hours not the same as at the end of 2 hours, speed is rate, Mara: "The bus went at a constant speed..." because [corresponding graph], "shortcut" refers to "change in y over change in x", (y2 - y1)/ (x2 - x1) means St: "y-axis number...minus the second y-axis number", "first line goes up, more than the second line comes down" ???? Kelsy: it took him an hour and a half to get to 100 miles away, and then it took him another hour and a half to get back", Kelsy: "Because if you look at the graph, he starts at 0, goes up 100, and then goes back down to 0." clarify Not "goes up," but "goes", rate is equal to Mack: Slope, Kelsy: it took him an hour and a half to get to 100 miles away, and then it took him another hour and a half to get back" means The van "would have to be going the same average speed.", slope claim --> ??? Ruben: "measures angle of incline", Neil: total distance divided by total time in Jorge: miles per hour, St: "It probably stopped for a little bit." because Abel: "It would have been going [in] a straight line" [gestures horizontally], Jorge: unit rate same as Zane: slope