MA19.8.13

Mathematics (2019) Grade(s): 8

MA19.8.13

Determine whether a relation is a function, defining a function as a rule that assigns to each input (independent value) exactly one output (dependent value), and given a graph, table, mapping, or set of ordered pairs.

Unpacked Content

Knowledge

Students know:
  • how to interpret a graph, table, mapping, and ordered pairs.

Skills

Students are able to:
  • give an accurate definition of a function.
  • Analyze graphs, tables, mappings, and sets of ordered pairs to determine if a relation is a function.

Understanding

Students understand that:
  • Functions assign every input one output, but they may see outputs repeat.

Vocabulary

  • Relation
  • Function
  • Input
  • Output

Aligned Learning Resources

Introduction to Functions and Equations for Functions
From Patterns of Input and Output to Algebraic Equations
More Graphs of Functions
Linear Models
Finding Values for Elements in the Domain of Quadratic Functions | Algebra 1: Module 10 - Topic 8
Tables, Equations
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