Solving System of Linear Equations

• What are the 3 ways on solving a system of linear equation?

  Graphing

  Substitution

  Elimination
• What are the 3 methods on graphing a system of linear equation?

  Graph the equation

  Intercept method

  Slope intercept form
• What are the 5 steps on substitution in solving a system of linear equation?

  Solve an equation for one variable

  Substitute

  Solve

  Plug back

  Check
• What are the 6 steps on elimination in solving a system of linear equation?

  Write equation in standard form

  Multiply by appropriate number so that when added one of the variable will be equal to 0

  Add new equation leaving only one variable

  Solve

  Substitute the results

  Check