System of equations

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Across
  1. 2. two or more related linear equations
  2. 3. the points (x,y) at which both lines that represent a system intersect
  3. 5. graphing 2 or more linear equations to determine the solution to the system
  4. 6. the points (x,y) at which both lines that represent a system intersect
  5. 10. in a system of linear equations this means the lines are parallel
  6. 13. adding subtracting or multiplying a system of equations to help solve a system
  7. 14. Rules describing the sequence to use in evaluating expressions
Down
  1. 1. one equation is solved for one variable and that solution is substituted int the second equation
  2. 4. an equation in 2 variables whose graphs in a coordinate plane is a straight line
  3. 6. in a system of linear equation this means they collinear
  4. 7. a group pf numbers, symbols and variables that express an operation
  5. 8. a statement that two mathematical expressions are equal
  6. 9. the line is the same, points lie on the same line
  7. 11. a pair of numbers that give the coordinate of a point on a grid in this order: (horizontal x, Vertical y)
  8. 12. any value for a variable that makes an equation or inequality true