MA19.8A.13

Mathematics (2019) Grade(s): 8 - Grade 8 Accelerated

MA19.8A.13

Create equations and inequalities in one variable and use them to solve problems in context, either exactly or approximately. Extend from contexts arising from linear functions to those involving quadratic, exponential, and absolute value functions. [Algebra I with Probability, 11]

Unpacked Content

Knowledge

Students know:
  • When the situation presented in a contextual problem is most accurately modeled by a linear, quadratic, exponential, or absolute value relationship.

Skills

Students are able to:
  • Write equations or inequalities in one variable that accurately model contextual situations.
  • Solve equations and inequalities.

Understanding

Students understand that:
  • Features of a contextual problem can be used to create a mathematical model for that problem.

Vocabulary

  • Inequality
  • Variable
  • Solution set
  • Linear relationship-Quadratic relationship
  • Exponential relationship
  • Absolute value
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