Systems of Equations

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