Lesson plan

Determine if horizontal or vertical lines are a function by examining a graph

teaches Common Core State Standards CCSS.Math.Content.8.F.B.5 http://corestandards.org/Math/Content/8/F/B/5

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Big Ideas: A function is a relation in which are rule assigns every input exactly one output. Rate of Change in a linear relationship compares output per input. A straight line does not always represent a function. This lesson is the third in a series of ten which address prior knowledge and introductory skill relating to positive or negative linear functions. This lesson provides students opportunity to inspect various graphs and determine if they are linear and a function or linear and not a function, focusing on horizontal and vertical lines. Students will increase their understanding that mathematical relationships can be represented and analyzed using words, tables, graphs, and equations. They will also increase their understanding that the graph of a relation can be analyzed to determine if the relation is a function. Vocabulary: coordinate points, x axis, y axis, linear, nonlinear, function, increase, decrease Special Materials: Copies of task for students who need printed notes as designated in 504 plans and/or IEP. Function Fold-able created in Unit Launch