# What is the standard form of the equation of a circle passes through the points (–9, –16), (–9, 32), and (22, 15)?

##### 1 Answer

Nov 30, 2016

Let the equation be

Accordingly, we can write a system of equations.

**Equation #1:**

**Equation #2**

**Equation #3**

The system therefore is

After solving, either using algebra, a C.A.S (computer algebra system) or matrices, you should get solutions of

Hence, the equation of the circle is

Hopefully this helps!