Question

write the standard equation of the circle having center (3, -7) and radius

Answer 1

and radius......?

Answer 2

and radius......?\[\huge\rm (x-h)^2+(y-k)^2=r^2\]standard form equation of the circle
where (h,k) is the center and r is radius

Answer 3

Is this what you're asking?

Answer 4

Radius 5

Answer 5

sorry

Answer 6

alright then substitute (h,k) for (3,-7) and r for 5

Answer 7

why k? wouldn't it be "y"?

Answer 8

no (h,k) is the center
(x,y)are point

Answer 9

if it says going through by given points (3 ,-7) then you should replace x and y with it

Answer 10

ohhh gotchya

Answer 11

thanks!!

Answer 12

np :=)