Chapter 1.1 Systems of Linear Equations

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Across
  1. 2. sinx1 +2x2 - 3x3 = 0
  2. 5. when a system of linear equations has no solution
  3. 8. it can take on any real value
  4. 9. when a system of linear equations has at least one solution
  5. 12. What have you done when you have found the solution set of a linear equation?
  6. 16. What is a system of linear equations?
  7. 18. two parallel lines
Down
  1. 1. a1x1 + a2x2 + ...anxn = b
  2. 3. two intersecting lines
  3. 4. stair step pattern with leading coefficients of 1
  4. 6. introduce a third variable
  5. 7. two coincident lines
  6. 10. Who developed Gaussian elimination?
  7. 11. value depends on the value of another variable
  8. 13. represents the infinitely many solutions of a linear equation
  9. 14. What group of people were the first to use Gaussian elimination?
  10. 15. satisfies the equation when you plug in the numbers
  11. 17. What does it mean when two systems of equations have the same solution set?