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