method of substitution   6 videos

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  Solving Systems of Equations using Substitution

  Algebra Solving Systems of Equations

  How to solve a system of equations using substitution.

  system of equations solution substitution
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  Graphing Lines using a Table of Values

  Algebra Linear Equations and Their Graphs

  How to graph a line by making a table of values.

  table of values substitution
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  Coin Word Problems

  Algebra Word Problems Using Systems of Equations

  How to solve word problems about values and number of coins.

  coins system of equations substitution
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  Age Word Problems

  Algebra Word Problems Using Systems of Equations

  How to solve word problems about the ages of two people.

  age system of equations substitution
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  Graphing Quadratic Equations

  Algebra Quadratic Equations and Functions

  How to graph a quadratic equation by hand.

  x intercepts y intercepts vertex axis of symmetry discriminant substitute
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  Introduction to Systems of Equations

  Algebra Solving Systems of Equations

  How to solve a system of equations.

  system of equations solution to a system of equations substitution elimination matrices