If an equation can be rearranged into the form \(y = mx + c\), then its graph will be a straight line ... 2 \) or \(y = 3x + 14\). Vertical lines have equations of the form \(x = k\).

The landscape changes as lines take shape to form simple geometric designs: trapezoids, straight lines, rectangles, triangles, and swirls. Some of the swirls and zigzags start to form more ...