In fact, talking with the patient may be the most important diagnostic tool the doctor has. The recommendation is that doctors routinely screen all individuals for depression. This screening might occur during a visit for a chronic illness, at an annual wellness visit, or during a pregnancy or postpartum visit.
1 is called the standard form, 2  is called the factored form, where x1 and x2 are the roots of the quadratic function and the solutions of the corresponding quadratic equation. 3  is called the vertex form, where h and k are the x and y coordinates of the vertex, respectively.
Like the right triangle, the parts of an isosceles triangle have. special names. The congruent sides are called legs. The angle. formed by the legs is the vertex angle, and the other two. angles are base angles. The base is the side opposite the vertex. angle.