SOLUTION: Find the equation of the graph of all points such that the sum of the distances from (1,0,0) and (-1,0,0) is always equal to 4. Describe the graph.

Question 815227: Find the equation of the graph of all points such that the sum of the distances from (1,0,0) and (-1,0,0) is always equal to 4. Describe the graph.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Find the equation of the graph of all points such that the sum of the distances from (1,0,0) and (-1,0,0) is always equal to 4. Describe the graph.
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In the x-y plane it's the ellipse
In 3-space it's the ellipsoid of revolution with its axis of revolution the x-axis.

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