<?xml version="1.0" encoding="UTF-8"?><oembed><type>video</type><version>1.0</version><html>&lt;iframe src=&quot;https://www.loom.com/embed/a247ff5784b44f34b8aa58264e110b00&quot; frameborder=&quot;0&quot; width=&quot;1440&quot; height=&quot;1080&quot; webkitallowfullscreen mozallowfullscreen allowfullscreen&gt;&lt;/iframe&gt;</html><height>1080</height><width>1440</width><provider_name>Loom</provider_name><provider_url>https://www.loom.com</provider_url><thumbnail_height>1080</thumbnail_height><thumbnail_width>1440</thumbnail_width><thumbnail_url>https://cdn.loom.com/sessions/thumbnails/a247ff5784b44f34b8aa58264e110b00-00001.jpg</thumbnail_url><duration>265</duration><title>April 2019 S3_Q20</title><description>p: (x-6)^2 + (y-3)^2 = 25
The graph in the xy-plane of the equation above is a circle. If the circle is translated downward a units such that the circle is tangent to the x-axis, the equation becomes (x-6)^2 + (y-3+a)^2 = 25. What is the value of a?</description></oembed>