Answer number 9-11 9. The lengths of the major and minor axes of an ellipse are 10 inches and 8 inches respectively. What is the distance between the foci? A.3 B.6 C.4 D.5 10.What are the foci of the hyperbola with equation y2−8x2=32 ? A.(±6,0) B.(0,±42–√) C.(±42–√,0) D.(0,±6) 11. A point moves so that the absolute difference of their distances from (−6,0) and (6,0) is 10. What is the equation of its path? A.x2/25−y2/11=1 B.y2/25−x2/11=1 C.y2/11−x2/25=1 D.x2/11−y2/25=1

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Answer number 9-11

9. The lengths of the major and minor axes of an ellipse are 10 inches and 8 inches respectively. What is the distance between the foci?

A.3 
B.6 
C.4 
D.5 

10.What are the foci of the hyperbola with equation  y2−8x2=32 ?

A.(±6,0) 
B.(0,±42–√) 
C.(±42–√,0)
D.(0,±6)

11.  A point moves so that the absolute difference of their distances from (−6,0) and (6,0)  is 10. What is the equation of its path?

A.x2/25−y2/11=1
B.y2/25−x2/11=1 
C.y2/11−x2/25=1 
D.x2/11−y2/25=1

 

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