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.
What evening primrose and borage oils are: Evening primrose (Oenothera biennis), a yellow wildflower, yields an oil that is a popular supplement. Borage oil, a similar product, is derived from the seed of a plant (Borago officinalis) known variously as bee plant or starflower.The oil of both plants is rich in linoleic acid, an essential fatty acid. âEssentialâ means that the body needs it but does not produce it.orage oil, a similar product, is derived from the seed of a plant (Borago officinalis) known variously as bee plant or starflower. The oil of both plants is rich in linoleic acid, an essential fatty acid. âEssentialâ means that the body needs it but does not produce it.