{"type":"rich","version":"1.0","title":"Expressions 2x^2 - 5x + 2 and (x - 2)(2x - k) on the Desmos Graphing Calculator","html":"<iframe src=\"https://www.desmos.com/calculator/ndq3hb2oms?embed\" width=\"500px\" height=\"500px\" style=\"border: 1px solid #ccc\" frameborder=0></iframe>","width":500,"height":500}