# MCQs in Analytic Geometry: Parabola, Ellipse and Hyperbola Part I - Answers

Answers key for the Compiled MCQs in Analytic Geometry: Parabola, Ellipse and Hyperbola Part 1 of the series as one topic in Engineering Mathematics in the ECE Board Exam.

Below are the answers key for the Multiple Choice Questions in Analytic Geometry: Parabola, Ellipse and Hyperbola – MCQs Part 1.

1. B. 3

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2. C. (1, 2)

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3. D. (-2, -3)

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4. C. 5

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5. C. 8/3

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6. A. -2.5

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7. A. 7.07

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8. A. 2.1

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9. D.A circle of radius 5 centered at (2, -1).

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10. B. (3, 5)

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11. C. 25 Ï€

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12. B. (x – 2)2 + (y + 2)2 = 25

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13. C. x2 + y2 + 8x + 10y – 12 = 0

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14. D. –5

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15. A. Parabola

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16. A. (4, 0)

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17. B. (0, 2)

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18. D. x = –4

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19. D. (-5/3, 1)

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20. D. Downward

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21. B

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22. C. (2, 2)

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23. C. 4x – 7 = 0

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24. A. x2 + 12y – 14x + 61 = 0

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25. C. y2 – 14y + 11x + 60 = 0

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26. A. 2, 8

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27. B. x = 3

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28. A. B2 – 4AC < 0

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29. A. 47.1

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30. B. 4x2 + 3y2 = 12

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31. D. 6

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32. A. (3, -4)

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33. C. 4

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34. C. 4

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35. A. 3.5 units

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36. D. 0.56

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37. D. 94,550,000 miles

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38. A. 0.15

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39. B. x = 20

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40. B. 2.7

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41. B. hyperbola

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42. A. 1.80

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43. C. 2.7

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44. B. 3

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45. A. 2x – 3y = 0

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46. D. 4x2 – y2 = 16

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47. A. 5x2 – 4y2 + 20x +16y – 16 = 0

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48. B

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49. A. (2, 1, -1)

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50. C

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51. B. x2 + y2 + z2 +6x – 4y – 8z = 7

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52. A. r – 8 cos Î¸ = 0

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53. A. (1/4, 0)

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54. C. r = 6 cos Î¸

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55. A. (2.17, 1.25)

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### Online Questions and Answers in Analytic Geometry: Parabola, Ellipse and Hyperbola Series

Following is the list of practice exam test questions in this brand new series:

Analytic Geometry: Parabola, Ellipse and Hyperbola MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                        Answer key: PART II

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