Question

Obtenha o vertice V da parabola de equaçao y=2x²+8x+1

Answer 1

• sendo equaçao:

 2x² + 8x + 1

• os coeficientes:

 a = 2

 b = 8

 c = 1

• delta

 d = 64 - 8 = 56

• o vértice;

 Vx = -b/2a = -8/4 = -2

 Vy = -d/4a = -56/8 = -7

 V(-2, -7)