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Kelas : VIII SMPmapel : matematika
kategori : persamaan garis
kata kunci : 2y = 3x - 6, lengkapi tabel
Pembahasan :
2y = 3x - 6
x = -4
2y = 3x - 6
2y = 3(-4) -6
2y = -12-6
2y = -18
y = -18/2
y = -9
(x,y) = (-4,-9)
x = -2
2y = 3x - 6
2y = 3(-2)-6
2y = -6-6
2y = -12
y = -12/2
y = -6
(x,y) = (-2,-6)
x = 0
2y = 3x-6
2y = 3(0) - 6
2y = -6
y = -6/2
y = -3
(x,y) = (0,-3)
x = 2
2y = 3x - 6
2y = 3(2) - 6
2y = 6-6
2y = 0
y = 0/2
y = 0
(x,y) = (2,0)
x = 4
2y = 3x-6
2y = 3(4) - 6
2y = 12-6
2y = 6
y = 6/2
y = 3
(x,y) = (4,3)
x = 6
2y = 3x - 6
2y = 3(6) - 6
2y = 18-6
2y = 12
y = 12/2
y = 6
(x,y) = (6,6)
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x ║ -4 ║ -2 ║ 0 ║ 2 ║ 4 ║ 6 ║
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y ║ -9 ║-6 ║ -3 ║ 0 ║ 3 ║ 6 ║
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(x,y) ║(-4,-9)║(-2,-6)║(0,-3)║(2,0)║(4,3)║(6,6)║
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