Find the Lengths of the Major and Minor Axes for the Ellipse

Multiple Choice

Find the lengths of the major and minor axes for the ellipse. $\frac { x ^ { 2 } } { 13 } + \frac { y ^ { 2 } } { 49 } = 1$

A) major axis: $14$
, minor: $2 \sqrt { 13 }$
B) major axis: $7$
, minor: $2 \sqrt { 14 }$
C) major axis: $49$
, minor: $2 \sqrt { 13 }$
D) major axis: $14$
, minor: $14$
E) none of these