12. Conic Sections & Systems of Nonlinear Equations

Give the center and radius of each circle and graph.

$x^2+y^2=36$

Give the center and radius of each circle and graph.

$(x+2{)}^2+(y-3{)}^2=4$

Write the standard form equation of the circle described.

Centered at $(-3,5)$; radius: $7$

Write the standard form equation of the circle described.

Centered at the origin; diameter: $10$

Write the standard form equation of the circle described. Give the center and radius.

$x^2+y^2-2x+4y-4=0$

Write the standard form equation of the circle described. Give the center and radius.

$x^2+y^2-8x-12y+3=0$