6.21.a
Use tables, graphs, and equations to represent the relationship between independent and dependent variables.
Example Problems
A freight train carries c containers weighing w tons each and k pallets weighing q tons each, for a total load of L tons.
Write an equation that relates c, w, k, q, and L.
Write an equation that relates c, w, k, q, and L.
A restaurant sells g gourmet burgers at s dollars each and p plates of pasta at t dollars each, earning L dollars in lunch revenue.
Write an equation that relates g, s, p, t, and L.
Write an equation that relates g, s, p, t, and L.
A swimming pool is filled at a rate of r liters per minute for t minutes, after which q liters evaporate. The net gain in water is 3000 liters.
Write an equation that relates r, t, and q.
Write an equation that relates r, t, and q.
Khan Academy ResourcesDependent and independent variables reviewAnalyze relationships between variablesMatch equations to coordinates on a graphRelationships between quantities in equationsTables from equations with 2 variablesIndependent versus dependent variablesEquation word problem: super yoga (2 of 2)Equation word problem: super yoga (1 of 2)Dependent & independent variables: graphingDependent & independent variablesAnalyzing relationships between variablesWriting equations for relationships between quantities

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