Wednesday

November 26, 2014

November 26, 2014

Posted by **Anonymous** on Monday, September 7, 2009 at 10:01pm.

Answers:

a. x^2+(y+3)^2=9

b. x^2-(y-3)^2=9

c. x^2+y^2-6y=0

d. x^2+(y_3)^2=0

e. x^2+(y-3)^2=36

- math -
**MathMate**, Monday, September 7, 2009 at 10:26pmIf we know that the equation of a circle with the centre at (x0,y0) and radius r:

(x-x0)² + (y-y0)² = r²

Which choice would you take?

- math -
**Anonymous**, Monday, September 7, 2009 at 10:36pmI think it's b.

- math -
**MathMate**, Tuesday, September 8, 2009 at 8:12amb. is correct!

**Answer this Question**

**Related Questions**

Math - The points (4, –5) and (– 4, 1) are endpoints of a diameter of a circle...

Calculus - Points (–1, 6) and (–3, 2) are endpoints of the diameter of a circle...

algebra - 1)Write an equation for the parabola with focus (1,3)and vertex(0,3) ...

Math(Please check answers) - These questions that I have completed are on a ...

math - What is the equation of a circle with its center at (0,3) and a diameter ...

geometry - Name the diameter, radius, center, and the equation of the circle ...

math - -a circle with center at the point O(0,0) also has the point P(-2,3) on ...

math - Write an equation of a circle with the center (-5,-4) and radius 6. The ...

Algebra II - In this set of eight problems, we have to match each equation with ...

summer math hw - one circle has a diameter of 10 inches. a second circle has a ...