Question

What is the radius of the circle x2+(y+6)2=25

Answer 1

Answer: y=7

Step-by-step explanation:

Use the vertex form to determine the values of

a

,

h

, and

k

and use these values to find the direction the parabola opens, vertex, focus, axis of symmetry, and directrix.

Direction: Opens Down

Vertex:

(

0

,

13

2

)

Focus:

(

0

,

6

)