QUESTION 25 (Analytic geometry) When a cross section intersects both portions of the double cone, the resulting figure is A. parabola B. circle C. hyperbola D. ellipse

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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QUESTION 25
(Analytic geometry) When a cross section intersects both portions of the double cone, the resulting figure is
A. parabola
B.circle
C. hyperbola
D. ellipse
QUESTION 26
Find the center of a circle with equation x²+y² - 5x+7y -4 = 0.
A.
(5/2, -7/3)
B. (-5/2, -7/2)
C. (5/2, 7/2)
D. (5/2, -7/2)
QUESTION 27
Find the radius of the circle in problem no. 26.
O A. 5.74
B. 4.74
C. 3.12
D.8.21
Transcribed Image Text:QUESTION 25 (Analytic geometry) When a cross section intersects both portions of the double cone, the resulting figure is A. parabola B.circle C. hyperbola D. ellipse QUESTION 26 Find the center of a circle with equation x²+y² - 5x+7y -4 = 0. A. (5/2, -7/3) B. (-5/2, -7/2) C. (5/2, 7/2) D. (5/2, -7/2) QUESTION 27 Find the radius of the circle in problem no. 26. O A. 5.74 B. 4.74 C. 3.12 D.8.21
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