Access Point #: MAFS.8.F.1.AP.1a (Archived Access Point)


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Graph the points of a function given the rule of a simple function and identifying four values of x and y.

Clarifications:

Essential Understandings

Concrete:

  • Use the vertical line test to determine whether a line is a function or non-function.
  • Identify if a function exists given a table.
Representation:
  • Understand the following concepts, vocabulary, and symbols: function, input, output.
  • Locate input and output on a T-chart or function table.

    Center column displays Ordered Pairs listed as such (Input, Output), (0,1), (1,2), (2,3), and (3,4). Left column is a Table view and Right column is a Graph view of same data for Input, x and Output, y.
  • Understand that an input will only have one output.
  • Use a T-chart or function table to determine at least four values of an equation.
  • Using the values of the T-chart, graph the points.

Number: MAFS.8.F.1.AP.1a Category: Access Points
Date Adopted or Revised: 07/14 Cluster: Define, evaluate, and compare functions. (Major Cluster)

Clusters should not be sorted from Major to Supporting and then taught in that order. To do so would strip the coherence of the mathematical ideas and miss the opportunity to enhance the major work of the grade with the supporting clusters.

Related Standards

Name Description
MAFS.8.F.1.1: Understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output.



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