$[-/5$ Points$]$

SCALCET$910\mathrm{.}5\mathrm{.}011.$

Find the vertices and foci of the ellipse.

$\frac{x^2}{21}+\frac{y^2}{25}=1$

vertices $(x,y)=$

$(smallery-$value$)$

$(x,y)=$

$(x,y)=$

$(largery-$value$)$

foci

$(x,y)=$

$(smallery-$value$)$

$(largery-$value$)$

Sketch its Graph.