What is the standard equation of the circle whose center is at origin and whose radius is 7?

Rewrite in standard form and graph.

Given a circle in general form, determine the intercepts.

7. Determine the area of the circle whose equation is x2+y2−2x−6y−35=0.

8. Determine the area of the circle whose equation is 4x2+4y2−12x−8y−59=0.

9. Determine the circumference of a circle whose equation is x2+y2−5x+1=0.

10. Determine the circumference of a circle whose equation is x2+y2+5x−2y+3=0.

11. Find general form of the equation of a circle centered at (−3,5) passing through (1,−2).

12. Find general form of the equation of a circle centered at (−2,−3) passing through (−1,3).

Given the graph of a circle, determine its equation in general form.

leamayescol0987 leamayescol0987

Step-by-step explanation:

Equation Center Radius

(x−3)2+(y−4)2=25 (3,4) r=5

(x−1)2+(y+2)2=7 (1,−2) r=√7

(x+4)2+(y−3)2=1 (−4,3) r=1

x2+(y+6)2=8 (0,−6) r=2√2