Explicaê

01

(IFCE) Determinando-se, na equação 2x2 – 6x – 12 + 0, a soma das raízes, obtém-se:

Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.
Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.
Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.
Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.
Desconsiderar opção Created with Sketch. Considerar opção Created with Sketch.