Transforms a matrix into row echelon form (or reduced row echelon form) by applying a sequence of row operations, making it easier to solve for unknowns using backward substitution. Steps: Forward ...

The linear function is popular in economics. It is attractive because it is simple and easy to handle mathematically. It has many important applications. Linear functions are those whose graph is a ...

Linear graphs are straight-line graphs that visually represent a constant rate of change in the relationship between two variables, showing how one changes in response to the other. They are expressed ...