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katen-ka-za [31]
3 years ago
12

Which of the following is the equation of an ellipse centered at (5,1) having a vertical minor axis of length 4 and a major axis

of length 6?
Options are in image

Mathematics
1 answer:
Karolina [17]3 years ago
7 0

Answer:

D

Step-by-step explanation:

Any ellipse has the following equ

ation:

\frac{ {x}^{2} }{ {a}^{2} }  +  \frac{ {y}^{2} }{ {b}^{2} }  = 1

where

  • 2b = vertical axis length
  • 2a = horizontal axis length

(as in the picture)

So it should be like:

\frac{ {x}^{2} }{ { (\frac{6}{2} )}^{2} }  +  \frac{ {y}^{2} }{ {( \frac{4}{2} )}^{2} }  = 1 \\  \frac{ {x}^{2} }{ 9}  +  \frac{ {y}^{2} }{ 4 }  = 1

Since it should be moved to the right and up, the answer would be:

\frac{ {(x - 5)}^{2} }{ 9}  +  \frac{ {(y - 1)}^{2} }{ 4 }  = 1

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