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.

If pinpoint accuracy is not important, you can simply draw a curve shape to create a graph. Excel offers options for drawing a variety of shapes with circles, curves and straight lines. To draw a ...

The “method of least squares” isn’t the only way to draw straight lines through data points. Most straight-line approximations for data points are found using the method of least squares ...