Systems of Linear Equations in Two Variables Across 2. The solution (3, 3, -5) is an ordered _____. 3. For a 2x2 matrix, cross multiplying the diagonals and then subtracting will give the value of this. 7. If the graphs of a system of two linear equations are parallel, the solution is this set. 8. The solution of a system of inequalities on the graph is the region that consists of the _____ of all the solution sets. 11. A system of two linear equations in two variables can be represented by lines and a system of three linear equations in three variables can be represented by this. 12. If a system of two linear equations has one solution, then the graphs of their lines will _____ in one point. Down 1. A solution to a system of equations of two variables is most appropriate to write as this. 4. Among Graphing, Elimination, and Substitution, this method is the least accurate when solving systems of equations. 5. To solve a system of linear equations in two variables using this method, similar variable terms must be arranged under each other. 6. Determinants are helpful in solving _____ of linear equations. 9. This is a method of solving systems of equations. 10. This method of solving systems of equations using determinants is a rule named after this mathematician. Authored by Kamilia Nemri Spokane Community College Systems of Linear Equations in Two Variables Across 2. Triple 3. Determinant 7. Empty 8. Intersection 11. Planes 12. Intersect Down 1. Ordered pair 4. Graphing 5. Elimination 6. Systems 9. Substitution 10. Cramer Authored by Kamilia Nemri Spokane Community College