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.

Pamela J. Wells, Understanding Linear Functions and Their Representations, Mathematics Teaching in the Middle School, Vol. 21, No. 5 (December 2015/January 2016), pp. 308-316 ...

R. Thompson, R. J. Baker, Composite Link Functions in Generalized Linear Models, Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 30, No ...