Across
- 3. graphing 2 or more linear equations to determine the solution to the system
- 4. an equation in 2 variables whose graphs in a coordinate plane is a straight line
- 6. A group of numbers, symbols, and variables that express an equation
- 8. the line is the same, points lie on the same line
- 9. a pair of numbers that give the coordinate of a point on a grid in this order: (horizontal x, Vertical y)
- 10. A statement that two mathematical expressions are equal
- 11. two or more related linear equations
- 13. in a system of linear equations this means the lines are parallel
- 14. In a system of linear equations this means collinear
Down
- 1. Rules describing the sequence to use in evaluating expressions
- 2. the points (x,y) at which both lines that represent a system intersect
- 5. a branch of mathematics that uses mathematical statements to describe relationships between things that vary
- 7. one equation is solved for one variable and that solution is substituted into the second equation
- 12. any value for a variable that makes an equation or inequality true
- 14. Where 2 things meet