“Direct and Partial Variation” is the twelfth lesson of the grade 9 Ontario applied math program. In this lesson, we will keep working on our data-management techniques, and study the characteristics of linear relationships. Some of the tools we need to develop are: tables of values, graphs, rates of change, scatter plots, lines and curves. Click here to download this lesson as a PDF: Grade 9 Applied Math 3-12 Direct and Partial Variation

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