Mathematics (2019) Grade(s): 8

MA19.8.14

Evaluate functions defined by a rule or an equation, given values for the independent variable.

Unpacked Content

Knowledge

Students know:
  • how to apply order of operations.
  • That every input will produce one output for a given function.

Skills

Students are able to:
  • analyze a rule or an equation
  • Substitute given values for the input to produce a desired output.

Understanding

Students should understand that:
  • An output for any function is controlled by the input for that function. This is important to help reinforce/establish the concept of inputs being the independent variable and outputs representing the dependent variable.

Vocabulary

  • Evaluate
  • Input
  • Output
  • Function
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