Sunday

December 21, 2014

December 21, 2014

Posted by **Garrick** on Thursday, October 9, 2008 at 9:52pm.

and a second question:

-A circle has a center of square root 5. The equation of this circle is?

Please help me.

- math -
**Reiny**, Thursday, October 9, 2008 at 10:47pmthe general equation of a circle with centre at (0,0) is

x^2 + y^2 = r^2

sub in your given point to find r^2 and you are done.

your second question makes no sense

the centre of a circle is a position, not a value.

**Answer this Question**

**Related Questions**

mathematics - The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2....

mathematics - The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2....

mathematics - The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2....

mathematics - The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2....

physics - An object, after being released from its circular path, travels the ...

GEOMETRY INSCRIBED ANGLES MULTIPLE CHOICE QUESTION - segment BC is tangent to ...

NEED MAJOR HELP! *QUADRATIC EQUATIONS* - Write the equation for the circle with ...

physics - A block of mass m = 4.30 kg is released from rest from point circle a ...

math - From an exteror point P that is h units form a circle of radius r, a ...

Trigonometry - 1) Find the coordinates of the point (-1,3) after the ...