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Class 11

Ellipses, Hyperbolas and Mixed Practice, Quiz

Five questions on ellipses and hyperbolas. Pick one answer for each.

5 questions, one mark each. 3 to pass. Suggested time: 10 minutes. Your answers are not recorded.

  1. Find the foci of the ellipse x2169+y2144=1\displaystyle \dfrac{x^2}{169} + \dfrac{y^2}{144} = 1.
  2. Find the eccentricity of x225+y29=1\displaystyle \dfrac{x^2}{25} + \dfrac{y^2}{9} = 1.
  3. Find the length of the latus rectum of x216+y29=1\displaystyle \dfrac{x^2}{16} + \dfrac{y^2}{9} = 1.
  4. Find the eccentricity of the hyperbola x29−y216=1\displaystyle \dfrac{x^2}{9} - \dfrac{y^2}{16} = 1.
  5. For the ellipse 16x2+9y2=14416x^2 + 9y^2 = 144, the major axis lies along
Unanswered questions are marked wrong.

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