Calc 3 12.6 Notes: Cylinders & Quadric Surfaces

[@saifurrehman1423]

Masha'Allah Your videos are very helpful.

[@LukeMwale-q9f]

You swapt the x and z plane...we can never get a negative z value in the equation but on your graph it shows we can...we can get a negative x value but it turns the value of z positive every time