# geometry

posted by .

find the center and radius of (x+8)2 + (y+4)2 =49

• geometry -

standard equation for a circle of radius r with center at (h,k) is

(x-h)^2 + (y-k)^2 = r^2

## Similar Questions

1. ### geometry

. Which of the following circles would show the locus of points in a plane 1 unit from the intersection of the lines x + y = 2 and x â€“ y = 4?
2. ### geometry

Write an equation for each circle if the coordiantes of the center and length of the radius are a. center(-1,-5) radius = 2 units b. center(0,3) radius = 7 units c. center(-9,7) radius = 1/2 units
3. ### geometry

Find the coordiantes of the center and the radius of each circle a. (x+root5)^2 + y^2 -8y =9

I can get part of the answer then I get stumped. find the center and radius of the circle, Write the standard form of the equation. (4,3)(1,3) to get center: (1+4/2, 3+3/2)=5/2,3 answer:5/2,3 for center radius: then i am stuck
5. ### geometry

Write an equation for each circle described. Center at origin,radius is 3. I'm stuck.aren't I suppose to be given an endpoint for me to be able to use the midpoint formula to find the center?
6. ### Geometry

Find the center and radius of the circle with equation (x+10)^2+(y-7)^2=36
7. ### geometry

center C has a radius of 13.Chord AB=10.find the distance from the center of the circle to chord AB. CD=?
8. ### college pre-calculus

4x^2+4y^2-16x-24y+51=0 is the equation of a circle. where is the center of the circle and what is it's radius?
9. ### geometry

find the equation of a circle whose center is at (-2, -5) and radius 4
10. ### Geometry

Write the General form equations for the following circles: 1. A circle with center (1, -6) and radius 4 2. A circle with center (6, 8) and radius 10 3. A circle with center (0, 3) and radius 2√3 4. A circle with center (-0.5, 5.5 …

More Similar Questions