tentukan hp dari spkdv berikut y= -ײ+×+3 y=ײ-×-1

SPKDV

y = y
x² - x - 1 = -x² + x + 3
2x² - 2x - 4 = 0
x² - x - 2 = 0
(x - 2)(x + 1) = 0

x = 2
y = x² - x - 1 = 2² - 2 - 1 = 1

x = -1
y = (-1)² - (-1) - 1 = 1

HP = {(-1,1) , (2,1)} ✓