And then I also want to figure out the point exactly in between, which is the vertex. And if I can graph those three points then I should be all set with graphing this parabola. So as I just said, we're going to try to solve the equation 5x squared minus 20x plus 15 is equal to 0.
Historical Uses For Evening Primrose. All parts of evening primrose are edible. Native Americans in Utah and Nevada ate the seeds. The young leaves can be used raw in salads or as a potherb. They are usually cooked in several changes of water to get rid of their bitterness.
The Zone. Evening primrose oil is, on the surface, a super supplement. It is extracted as oil from the seeds of the herbaceous evening primrose plant- Oenothera biennis L., Onagraceae. The use of evening primrose oil as a dietary supplement is broad across the general population for a variety of proposed benefits.