So hmm if you notice the picture below
between 2 and 16, there are 14 units, so, the center is half-way in between, thus, is at y = 7, or -2, 7
because, the major axis is over the y-axis, then the "a" component, goes under the fraction with the "y" in the numerator
between 2 and 16, there are 14 units, so, the center is half-way in between, thus, is at y = 7, or -2, 7
because, the major axis is over the y-axis, then the "a" component, goes under the fraction with the "y" in the numerator