Topic: Graphs, Traces, and Level Sets

Interpreting Contour Maps Workshop

Common Errors in Surface and Contour Sketches

Sketching Surfaces from Formulas Workshop

Coordinate-Plane Slices of Implicit Surfaces

Topographic Maps as Level Curves

Converting a Graph to an Implicit Equation

Piecewise-Defined Graphs and Contours

Periodic Ripples in Graphs and Contours

Implicit Level Surfaces F Equals c

Recognizing Peaks, Basins, and Saddles from Contours