Mathematics (2019) Grade(s): 8

MA19.8.4

Use square root and cube root symbols to represent solutions to equations.

Unpacked Content

Knowledge

Students know:
  • that the square root of a non-perfectsquare is an irrational number.
  • Equations can potentially have twosolutions.
  • how to identify a perfect square/cube.

Skills

Students are able to:
  • define a perfect square/cube.
  • Evaluate radical expressions representing square and cube roots.
  • Solve equations with a squared or cubed variable.

Understanding

Students understand that:
  • there is an inverse relationship between squares and cubes and their roots.

Vocabulary

  • Radical
  • Square Root
  • Cube Root
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