Conic Section Quiz

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Mathematics → Conic Section Quiz

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6. The center of the circle 4x^2+4y^2-8x+12y-25=0 is ?
(A) (2,−3)
(B) (−2,3)
(C) (−4,6)
(D) (4,−6)

7. The radius of the circle 4x^2+4y^2-8x+12y-25=0 is ?
(A) \sqrt{57}
(B) \sqrt{67}
(C) \sqrt{77}
(D) \sqrt{87}

8. If the distance between vertex and focus is 3, then the length of latusrectum is ?
(A) 6
(B) 8
(C) 10
(D) 12

9. If the discriminent of a conic is h^2-ab=0, then it represents a
(A) circle
(B) parabola
(C) hyperbola
(D) ellipse

10. The focus of the parabola y^2=-8(x-3) is ?
(A) (0,0)
(B) (1,0)
(C) (0,1)
(D) (1,1)

ANSWERS: CONIC SECTION QUIZ
6. D
7. C
8. D
9. B
10. B