To help draw a straight line graph from its equation, fill in a table of 𝑥 and 𝑦 values. Plot the pairs of values as coordinates and join to make a line. Make sure you are confident with ...

While writing the 3D imagery post we came across this oddity: If you draw a path in Google Earth, the line segments follow geodesics, which are parts of great circles. If you draw a polygon, the sides ...