Jada measured the height of a plant in a science experiment and finds that, to the nearest 1/4 of in an inch, it is 4 3/4. What is the largest the actual height could be?

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)