puzzle

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Across
  1. 6. Graphing 2 or more linear equations to determine the solution to the system
  2. 8. A pair of numbers that give a
  3. 10. A group of numbers, symbols, and variables that express an operation
  4. 12. Adding subtracting or multiplying a system of equations to help solve a system
  5. 14. In a system of linear equation the means the collinear
  6. 15. Where 2 things meet
Down
  1. 1. One equation is solved for one variable and that solution is substituted into the second equation
  2. 2. A mathematical relationship or rule expressed in symbol
  3. 3. The line is the same, points lie on the same line
  4. 4. A diagram showing the relationship between variable qualities
  5. 5. 2 variables whose graph is in a straight line
  6. 7. In a system of linear equations this means the lines are parallel
  7. 9. Not consistent or having a fixed pattern liable to change
  8. 11. on Where the two equations intercept
  9. 13. A statement that two mathematical expressions are equal