SOLUTION: A point is moving on the graph of 4x^2 +9y^2 =180. When the point is at (3,4), its y-coordinate is decreasing by 2 units per second. How fast is its x-coordinate changing at that m

Question 1088246: A point is moving on the graph of 4x^2 +9y^2 =180. When the point is at (3,4), its y-coordinate is decreasing by 2 units per second. How fast is its x-coordinate changing at that moment?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use implicit differentiation,

Substituting,

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