# What is the standard form of the equation of a circle passing through Center at the point (-3, 1) and tangent to the y-axis?

##### 1 Answer

Jan 7, 2016

#### Answer:

#### Explanation:

I assume you meant "with center at

The general form for a circle with center

If the circle has its center at

Substituting

which simplifies to the Answer above.

graph{(x+3)^2+(y-1)^2=9 [-8.77, 3.716, -2.08, 4.16]}