



 
Hi Jessica, Assume the ellipse is in standard position with its centre at the origin, the major axis along the xaxis and its minor axis along the yaxis. The equation of the ellipse is then Since (5, 0) and (0, 4) are on the ellipse if you substitute these values into the equation you can solve for a and b. Then substitute x = 3 into the equation and solve for y. Penny  


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