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.
vertex - the point of intersection of lines or the point opposite the base of a figure. carrefour, crossroad, crossway, crossing. street corner, turning point, corner - the intersection of two streets; standing on the corner watching all the girls go by. junction - the place where two or more things come together.