This exercise refers to the hyperbolic paraboloid z = y² - x². (a) Find an equation of the hyperbolic trace in the plane z = -9. O ₂² = 2 O x² + y² = 9 = 2.² 1 -y+9 O x² ² 9 9 0 3² x² 9 9 I = 1 = 1 (b) Find the vertices of the hyperbola in part (a). O (± 3,0, 9) 0 (0, + 3√//2,9) O (±3,0, 9) 0 (+3√//2, 0, -9) O (0, ± 3,9) (c) Find the foci of the hyperbola in part (a). 0 (0, + 3√/2,9) O (0, ± 3,9) O (±3,0, 9) 0 (±3√//2, 0, -9) O (±3,0, 9)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.3: Hyperbolas
Problem 25E
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This exercise refers to the hyperbolic paraboloid z = ²x².
(a) Find an equation of the hyperbolic trace in the plane z = -9.
O O
O
O
z²
=
2
x² + y² = 9
2²-1
=
−3+9
~ la la
I
x² 3,²
9
x²
9
= 1
=
(b) Find the vertices of the hyperbola in part (a).
(±3, 0, 9)
0 (0, + 3√//2,9)
(±3,0, -9)
0 (+3√//2, 0, -9)
O (0, ± 3,9)
(c) Find the foci of the hyperbola in part (a).
0 (0, + 3√/2,9)
(0, ± 3,9)
(±3,0, 9)
O (+3√√/2, 0, -9)
(±3,0, 9)
(d) Describe the orientation of the focal axis of the hyperbola in part (a) relative to the coordinate axes.
The focal axis is parallel to the
Transcribed Image Text:This exercise refers to the hyperbolic paraboloid z = ²x². (a) Find an equation of the hyperbolic trace in the plane z = -9. O O O O z² = 2 x² + y² = 9 2²-1 = −3+9 ~ la la I x² 3,² 9 x² 9 = 1 = (b) Find the vertices of the hyperbola in part (a). (±3, 0, 9) 0 (0, + 3√//2,9) (±3,0, -9) 0 (+3√//2, 0, -9) O (0, ± 3,9) (c) Find the foci of the hyperbola in part (a). 0 (0, + 3√/2,9) (0, ± 3,9) (±3,0, 9) O (+3√√/2, 0, -9) (±3,0, 9) (d) Describe the orientation of the focal axis of the hyperbola in part (a) relative to the coordinate axes. The focal axis is parallel to the
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