Which quadric surface is shaped like a saddle?

parabolic cylinder
elliptic paraboloid
hyperbolic paraboloid
elliptic hyperboloid
The widely sold fried snack food Pringles potato chips resemble a truncated hyperbolic paraboloid. The distinctive shape of these chips allows them to be stacked in sturdy tubular containers, fulfilling a design goal that they break less easily than other types of chip.
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Ninjai
reach: rather globalgeometrymathematics
parabolic cylinder
elliptic paraboloid
hyperbolic paraboloid
elliptic hyperboloid
answers
flagSwitzerland
7%
7%
85%
0%
14
flagthe United Kingdom
6%
19%
51%
22%
31
flagIndia
10%
30%
50%
10%
10
flagPoland
7%
26%
46%
18%
1747
flagUnknown
10%
26%
43%
19%
139
flagGermany
0%
50%
38%
11%
26
flagthe United States
10%
25%
25%
40%
20