According to economists, this episode of great recession was resulted from a sudden busting of house bubble in US, where the house bubble was caused by rapid growth of improper regulation on sub-prime mortgages (Merriam 2009; Wang 2009; Whitney 2007).
When working with equations that have two variables, the coordinate plane is an important tool. It's a way to draw pictures of equations that makes them easier to understand. To create a coordinate plane, start with a sheet of graph or grid paper. Next, draw a horizontal line.
Definition: A linear equation in two variables is an equation which may be written in the form y = mx + b where m, and. b are real numbers. The graph of a linear equation in two variables is a non-vertical line with slope m and y-intercept b. Every non-vertical line is.