#### Answer

$II$

#### Work Step by Step

The equation $x^{2}-y^{2}+z^{2}=1$ is a hyperboloid of one sheet and the only hyperboloid of one sheet can be seen in Figure $II$.

Published by
Cengage

ISBN 10:
1285740629

ISBN 13:
978-1-28574-062-1

$II$

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