Question

o vertice da parabola y X²+(m-1) x+n e o ponto(2,6)calcule m e n


envia ft

Answer 1

y = x² + (m-1)x + n
dy/dx = 2x + m - 1
2x + m - 1 = 0
x = (1 - m)/2
2 = (1-m)/2 => m = 5
n = -6
y = x² + 4x - 6