Graphing a linear function. To graph a linear function: 1. Find 2 points which satisfy the equation. 2. Plot them. 3. Connect the points with a straight line. Example: y = 25 + 5x. let x = 1 then y = ...

Solve the simultaneous equations \(x + y = 5\) and \(y = x + 1\) using graphs. To solve this question, first construct a set of axes, making sure there is enough room to plot the two graphs.