help me please,,, gradien nih

Bab Persamaan Garis
Matematika SMP Kelas VIII

y = 2x/3 - 6

memotong sumbu x
2x/3 - 6 = 0
2x/3 = 6
2x = 6 . 3
x = 6 . 3 : 2
x = 9 → (9, 0)

memotong sumbu y
y = 0 - 6
y = -6 → (0, -6)

◎◎ A ◎◎

( A) karena
y = -6
x = 9

gradien = -y/x
= -(-6)/9
= 2/3