Question

Tentukan hp dari persamaan :
y=x² -5x -6
y= x -1

Answer 1

Y = x^2 -5x -6 ...(1)
y = x -1 ...(2)

subtitusi
y = x^2 -5x -6
x-1 = x^2 -5x -6
0 = x^2 -6x +5
0 = (x -5)(x-1)
X1 = 5
X2 = 1

y = x -1
y = 5-1
y1 = 4

y2 = x -1
y2 = 1-1
y2 = 0

Hp {5,4,1,0}