hint: [tex]\bf \cfrac{(x-{{ h}})^2}{{{ a}}^2}+\cfrac{(y-{{ k}})^2}{{{ b}}^2}=1
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\cfrac{(x+8)^2}{49}+\cfrac{(y+3)^2}{16}=1\iff \cfrac{(x+8)^2}{7^2}+\cfrac{(y+3)^2}{4^2}=1[/tex]
"a" is the major component, "b" is the minor, the vertical axis is b+b