practice

circle

ellipse

hyperbola

parabola

circle

ellipse

hyperbola

parabola

 $25x^2+25y^2+200x+250y-425=0$  

 $25x^2+y^2+200x-250y-425=0$  

 $-25x^2+y^2+200x-250y-425=0$  

 $-25x^2+y+200x-425=0$  

Hyperbola

Ellipse

Circle

Parabola

 $x^2+\left(y+5\right)^2=39$  

  $x^2+\left(y+5\right)^2=64$  

 $x^2+\left(y+10\right)^2=139$  

 $x^2+\left(y+10\right)^2=39$  

$c^2=a^2+b^2$

$c^2=a^2-b^2$

$c=\frac{1}{4}d$

$c=\sqrt{\left(x-h\right)^2+\left(y-k\right)^2}$

  $338$  

   $98$  

  $26$  

  $13$  

Hyperbola, Vertical

Ellipse, Horizontal

Ellipse, Vertical

Hyperbola, Horizontal

Circle  $\left(4,-2\right)$  

Circle  $\left(-4,2\right)$  

Circle,  $\left(4,2\right)$  

Circle,  $\left(-4,-2\right)$  

Hyperbola   $\left(3,4\right)\left(3,-8\right)$  

Hyperbola  $\left(7,-2\right)\left(-1,-2\right)$  

Hyperbola   $\left(9,-2\right)\left(-3,-2\right)$  

Hyperbola    $\left(3,2\right)\left(3,-6\right)$