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