Section 12.6 – Cylinders and Quadratic Surfaces
Exercises
Directions: You should try to solve each problem first, and then click "Reveal Answer" to check your answer. You can click "Watch Video" if you need help with a problem.
1. Describe and sketch \(-4x^2+y^2=4+2z^2.\)
Hyperboloid of 2 sheets that opens up along the \(y\)-axis (see video for sketch)
2. Describe and sketch \(16z^2-4y^2=9x^2.\)
Elliptic cone that opens up along \(z\)-axis (see video for sketch)