Mathematics

11th

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Ellipse

317

14 questions

  • 1. Multiple Choice
    5 minutes
    1 pt

    Which is a horizontal ellipse?

    x24+y29=1\frac{x^2}{4}+\frac{y^2}{9}=1

    x216+y29=1\frac{x^2}{16}+\frac{y^2}{9}=1

    x216+y216=1\frac{x^2}{16}+\frac{y^2}{16}=1

    x2+y249=1x^2+\frac{y^2}{49}=1

  • 2. Multiple Choice
    5 minutes
    1 pt

    What are the vertices of

     x216+y225=1?\frac{x^2}{16}+\frac{y^2}{25}=1?  

     (4, 0) and (4, 0)\left(-4,\ 0\right)\ and\ \left(4,\ 0\right)  

     (0, 4) and (0, 4)\left(0,\ -4\right)\ and\ \left(0,\ 4\right)  

     (5, 0) and (5, 0)\left(-5,\ 0\right)\ and\ \left(5,\ 0\right)  

     (0, 5) and (0, 5)\left(0,\ -5\right)\ and\ \left(0,\ 5\right)  

  • 3. Fill in the Blank
    5 minutes
    1 pt

    How long is the major axis of the given ellipse? Format for answer:  k    where k is a number.     Note: There should be no spaces and no units.

     x264+(y+2)249=1\frac{x^2}{64}+\frac{\left(y+2\right)^2}{49}=1  

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