Sal finds the y-intercept and the slope of a linear relationship representing someone accumulating cats! He then interprets what the y-intercept and the slope mean in that context.
Interpreting linear graphs word problems is a free educational video by Khan Academy.It helps students in grades 9,10,11,12 practice the following standards HSF.IF.C.7.
1. HSF.IF.C.7 : Graph functions expressed symbolically and show key features of the graph, by hand in simple cases and using technology for more complicated cases.