video1.0<iframe src="https://www.loom.com/embed/e6788b91a64442eea7e5c1c23d7d74f9" frameborder="0" width="1280" height="960" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>9601280Loomhttps://www.loom.com9601280https://cdn.loom.com/assets/img/og/slack-protected-video.gif149p: in the xy-plane, line l has a slope of 2. If line k is perpendicular to line l, which of the following could be an equation of line k?