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y = x - 2
masukkan ke titik y
[y=0]
0 = x - 2
x = 2
masukkan ke titik x
[x = 0]
y = 0 - 2
y = -2
HP : {2,-2}
y = x² + 2x - 8 [faktorkan terlebih dahulu]
y = (x - 2) (x + 4)
masukkan persamaan pertama
x - 2 = (x - 2) (x + 4)
0 = x + 4
x = -4
y = x - 2
y = - 4 - 2
=-6
HP : {-4,-6}
Jadi, total HP : {(2,-2), (-4,-6)}
Tinggal gambar
Semogga membantu...................... (Sebelumnya mohon maaf terlambat jawab)