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.
Evening Primrose (Botanical name: Oenothera biennis) is a plant from Onagraceae famiy origionaly indigenous to North America, but is now found in Europe, Asia, New Zealand and Australia too. The beautiful yellow flowered is named Evening Primrose because the flower blossoms only at night. The plant is famous medically.Itâs seeds, leaves, oil of the seeds and root are used in medicines. Night-time insects like nocturnal sphinx moth pollinate these plants. The plant grows between 3 and 5 feet tall.he beautiful yellow flowered is named Evening Primrose because the flower blossoms only at night. The plant is famous medically. Itâs seeds, leaves, oil of the seeds and root are used in medicines.