8.4.B
Graph proportional relationships, interpreting the unit rate as the slope of the line that models the relationship.
Khan Academy ResourcesEstimating slope of line of best fitIdentify proportional relationships from graphsInterpreting slope and y-intercept for linear modelsGraphing proportional relationshipsRelate unit rate and slopeGraphing proportional relationships: unit rateLine of best fit: smoking in 1945Interpreting a trend lineGraphing proportional relationships from a tableGraphing proportional relationships from an equationIdentifying proportional relationships from graphsProportional relationships: graphsRelating unit rate to slope in graphs of proportional relationships

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