Across
- 4. Forms a straight line when graphed
- 5. Solving one of two equations for one of the variables and then plugging the answer back into the other equation
- 8. finding the point of intersection by graphing both of the equations
- 10. Two or more related linear equations
Down
- 1. Place where two lines cross over each other
- 2. Adding two equations together in a way that will eliminate one of the variables
- 3. Two lines that intersect forming four 90 degree angles
- 6. Rate at which the y value changes while the x value increases
- 7. Result of trying to solve two parallel lines
- 9. Two lines that will never intersect each other