Systems of Equations

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Across
  1. 1. To ____ a math problem you must find all solutions to an equation
  2. 6. A mathematical sentence built from expressions using one or more equal signs (=).
  3. 8. A Method for solving systems of equations, requires that one of the variables be isolated on one side of the equation. It should be applied when one of the variables has a coefficient of 1 or -1.
  4. 9. The ____ of an Equation is the picture obtained by plotting all the points of an equation or inequality.
Down
  1. 2. A Method for solving systems of equations, especially used when a variable appears in different equations with coefficients that are opposites.
  2. 3. A ____ of Equations is two or more equations containing common variable(s).
  3. 4. A quantity that can change or that may take on different values, often represented as a letter or symbol representing such a quantity.
  4. 5. A Method for solving systems of equations, finding a solution base on where the lines of the equation intersect.
  5. 7. A ____ equation results in a graph of a straight line, ex: 6x+2=y