System of Equations vocabulary

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