Answer:
"points G and H"
Step-by-step explanation:
The vertices of the ellipse is the major axis.
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<em><u>From bottom to top edge of the curve and also from left to right edge of the curve can be vertices. Which ever's distance is greatest is the vertices.</u></em>
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Looking at J and K (top & bottom edge), we see that the length is 12 units.
Looking at G and H (left & right edge), we see that the length is 16 units.
Hence, G & H are the longer one and it is the vertices.
first answer choice is right, "points G and H"