Definition: Given 2 linear equations in 2 unknowns (variables). Finding a solution - that is, values for both variables that make both equations true - is called solving a 2х2 system of linear equations. |

Solving Systems of Linear Equations 2x2 - 2 equations in 2 variables - See, Hear & Do |

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Metadata

Global
| 2x2 System of Equations |

Brief | Mathcasts and Interactivities to understand and practice solving systems of 2 equations in 2 variables (unknowns). |

Grade | 7-10 Interactivities start at 8th grade level on up |

Strand | Algebra; Expressions, Equations and Inequalities |

Standard | Algebra 1 3.1, Algebra 1 3.2, Algebra 1 3.3, ACT EE 28-32 |

Keywords | system, linear system, variable, unknown, linear equation, elimination, addition, substitution |

Comments | none |

Download | |

Author | LFS - contact - website |

Type | Freeware - Available for Offline and Online Use - Translatable (html) |

Use | Requires sunJava player |

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