# How do you find the general form of the equation of this circle given endpoints of a diameter of the circle are P(-2,5) and Q(4,9)?

##### 1 Answer

Jan 10, 2016

#### Answer:

If you know the endpoints of the diameter, then the midpoint is the center of the circle...

#### Explanation:

Center

Using the **distance formula** , now find the **radius** ...

radius

Finally, use the general equation for a circle to fill in the values from the problem ...

hope that helped