How are linear equations used in business? Cost, profit, revenue, loss, and breakeven points are all calculated using linear equations by business managers. In linear equations, the breakeven point is ...

A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the linear equation. STEP 1 - Draw ...

Linear relationships can be expressed either in a graphical format or as a mathematical equation of the form y = mx + b. Linear functions are widely used in economics, physics, finance, and data ...

A linear regression is a statistical model that attempts to show the relationship between two variables with a linear equation. A regression analysis involves graphing a line over a set of data ...

Solving equations with light. (Courtesy: iStockphoto/Henrik Jonsson) 3 x + y = 2 x + 3 y = 0 It’s the sort of easy maths problem that you can work out in a few minutes using pencil and paper, but ...