<?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/554e2000b8a343d6a105239f960ff65e&quot; frameborder=&quot;0&quot; width=&quot;962&quot; height=&quot;721&quot; webkitallowfullscreen mozallowfullscreen allowfullscreen&gt;&lt;/iframe&gt;</html><height>721</height><width>962</width><provider_name>Loom</provider_name><provider_url>https://www.loom.com</provider_url><thumbnail_height>721</thumbnail_height><thumbnail_width>962</thumbnail_width><thumbnail_url>https://cdn.loom.com/sessions/thumbnails/554e2000b8a343d6a105239f960ff65e-00001.jpg</thumbnail_url><duration>141</duration><title>SAT official #8_S4_Q13</title><description>p:  If a^-1/2 = x, where a &gt; 0, what is a in terms of x ? 
a:  sqrt(x) ;
 - sqrt(x) ;
 1 / x^2 ;
 - 1 /x^2 ;</description></oembed>