Penjelasan dengan langkah-langkah:
x + 9 = y
-3x + 9 = y
----------------- -
4x + 0 = 0
4x = 0
x = 0/4
x = 0
y = 9 + 0
y = 9
(0, 9), m = -4
y - y1 = m . (x - x1)
y - 9 = -4 . (x - 0)
y - 9 = -4x
4x + y - 9 = 0
jawaban B
Kelas 8
Pelajaran Matematika
Bab Persamaan Garis
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Penjelasan dengan langkah-langkah:
x + 9 = y
-3x + 9 = y
----------------- -
4x + 0 = 0
4x = 0
x = 0/4
x = 0
x + 9 = y
y = 9 + 0
y = 9
(0, 9), m = -4
y - y1 = m . (x - x1)
y - 9 = -4 . (x - 0)
y - 9 = -4x
4x + y - 9 = 0
jawaban B
Kelas 8
Pelajaran Matematika
Bab Persamaan Garis