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Common Core Standards

Linear Relationships

Grade: 8th Grade

Math.8.EE.6 or 8.EE.B.6


Use similar triangles to explain why the slope m is the same between any two distinct points on a non-vertical line in the coordinate plane; derive the equation y = mx for a line through the origin and the equation y = mx + b for a line intercepting the vertical axis at b.


Math.8.F.4 or 8.F.B.4


Construct a function to model a linear relationship between two quantities. Determine the rate of change and initial value of the function from a description of a relationship or from two (x, y) values, including reading these from a table or from a graph. Interpret the rate of change and initial value of a linear function in terms of the situation it models, and in terms of its graph or a table of values.

8th Grade Math - Linear Relationships Lesson
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