In this task, 8th graders are presented with two intersecting line graphs and their linear equations. No values are shown on the axes. They are asked to interpret the constants in the equations in terms of their graphs, and make some observations related to the differences between y-coordinates as the x-coordinates on each graph are increased. Aligns with 8.EE.B.

Concepts

linear equations

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Additional Tags

proportional relationship, 8.ee.b, cc by-nc-sa 4.0, creative commons attribution-noncommercial-sharealike 4.0, equations of lines, illustrative mathematics

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Classroom Considerations

• Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
• The intended use for this resource is Instructional|practice

Common Core

8.F.A.3