Use Exercises 1 and 2 to identify and sketch the graphs of the equations in Exercise.4x2 −...

Use Exercises 1 and 2 to identify and sketch the graphs of the equations in Exercise.

4x2 − 5y2 − 6z2 = 120

Exercises 1–2

1. Analyze the equation

and sketch its graph. Its graph is called a hyperboloid of two sheets.

2. Analyze the equation

and sketch its graph. Its graph is called a hyperboloid of one sheet.