If p > 0, the parabola opens to the right and if p < 0 the parabola opens to the left. The equations we have just established are known as the standard equations of a parabola. A standard equation always implies the vertex is at the origin and the focus is on one of the axes.
Euphorbias are on all the toxic plant lists and everyone is familiar with the hazards of Poinsettias.here is some discussion of severe toxic principles of Tylecodons I did not understand as these are in no way related to Euphorbias or in the Euphorbia family. Though the article is fairly long, it is filled with very few facts and is primarily anecdotal.
Lily of the Valley. Lilly of the Valley (Convallaria majalis) is a popular holiday plant that is toxic to dogs and requires aggressive treatment. Symptoms of plant poisoning which are common to most poisonous plants include diarrhea, nausea and drooling.This particular plant also can cause severe cardiac arrhythmias, seizures and a decreased heart rate. Emergency medical attention is needed.ist of Dog Toxic Plants. This is a list of the most common types of dog poisonous plants. It does NOT contain every possible variety. Click on the link on the top of each column to see more details on the toxic parts of the plant, why it is poisonous to dogs and related symptoms.