7.1

12345678910
Across
  1. 5. point When enough units have been sold so that the total revenue R equals the total cost C, the sales are said to have reached
  2. 6. Finding the set of all solutions is called
  3. 7. method Linear or nonlinear, two variables
  4. 9. Linear, two variables
  5. 10. is not linear
Down
  1. 1. Linear or nonlinear, two variables
  2. 2. this system is an ordered pair that satisfies each equation in the system
  3. 3. Linear, three or more variables
  4. 4. what term implies that you work backwards
  5. 8. equation or function that is the equation of a straight line