Graphing Quadratic Surfaces: Tips for Substituting and Finding Traces

[nameVoid]

Z=y^2-x^2
Is it always best to substitute k for each and plug in 0, +-1, +-2 to graph each trace.

 

[R136a1]

What's the problem you're trying to solve?

 

[HallsofIvy]

Z=y^2-x^2
Is it always best to substitute k for each

For each what? Why "k" in particular?

and plug in 0, +-1, +-2 to graph each trace.

To do what? To sketch the "equipotential curves"? Yes, setting Z to different values will give different heights.