# How do you write the equation in standard form for a circle with center (-3,7) for a circle and tangent to the x axis?

##### 1 Answer

Feb 2, 2016

#### Explanation:

The standard form is

The center moved

The center moved

You can determine these numbers by filling in the center coördinates, the outcome must be zero. [

Maybe you've seen the standard equation

So, the equation becomes