Access Point #: MAFS.8.F.1.AP.3a (Archived Access Point)


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Identify graphed functions as linear or not linear.

Clarifications:

Essential Understandings

Concrete:

  • Identify a linear function on a graph as one that forms a straight line.
  • Identify a non-linear function on a graph as one that does not make a straight line.
Representation:
  • Understand the following concepts, vocabulary and symbols: linear, non-linear, function.
  • Label a function on a graph as being either linear or non-linear.
  • Identify functions as linear or non-linear given a table or graph.

Number: MAFS.8.F.1.AP.3a Category: Access Points
Date Adopted or Revised: 06/14 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.1.3: Interpret the equation y = mx + b as defining a linear function, whose graph is a straight line; give examples of functions that are not linear. For example, the function A = s² giving the area of a square as a function of its side length is not linear because its graph contains the points (1,1), (2,4) and (3,9), which are not on a straight line.



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