Graph the Ellipse $a$ And $b$
- $3 x^{2}+7 y^{2}-63=0$ A) Center $(0,0), a=\sqrt{7}, b=\sqrt{3}$

Multiple Choice

Graph the ellipse. Give the coordinates of the center, as well as the values of $a$ and $b$ .
- $3 x^{2}+7 y^{2}-63=0$

A) center $(0,0) , a=\sqrt{7}, b=\sqrt{3}$

B) center $(0,0) , \mathrm{a}=3, \mathrm{~b}=\sqrt{21}$

C) center $(0,0) , a=\sqrt{21}, b=3$

D) center $(0,0) , \mathrm{a}=\sqrt{3}, \mathrm{~b}=\sqrt{7}$