{"type":"video","version":"1.0","html":"<iframe src=\"https://www.loom.com/embed/a8989a6eb9c448889309107295b53346\" frameborder=\"0\" width=\"1280\" height=\"960\" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>","height":960,"width":1280,"provider_name":"Loom","provider_url":"https://www.loom.com","thumbnail_height":960,"thumbnail_width":1280,"thumbnail_url":"https://cdn.loom.com/sessions/thumbnails/a8989a6eb9c448889309107295b53346-00001.jpg","duration":101,"title":"S3 Q15","description":"p:  The expression 1/3x^2 - 2 can be rewritten as 1/3(x-k)(x+k), where k is a positive constant. What is the value of k ? \na:  2 ;\n 6 ;\n sqrt(2) ;\n sqrt(6) ;"}