Diketahui:
x1 = 4
y1 = 5
x2 = -3
y2 = 2
Ditanyakan:
PGL = ?
Jawab:
Tentukan gradien
m = y2 – y1/x2 – x1
= 2 – 5/-3 - 4
= -3/-7
= 3/7
Tentukan PGL
y – y1 = m(x – x1)
y – 5 = 3/7(x – 4)
y – 5 = 3/7x – 12/7
y = 3/7x – 12/7 + 35/7
y = 3/7 x – 23/7
7y = 3x – 23
7y – 3x + 23 = 0
Mapel: Matematika
Kelas: 8
Mater: PGL
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Diketahui:
x1 = 4
y1 = 5
x2 = -3
y2 = 2
Ditanyakan:
PGL = ?
Jawab:
Tentukan gradien
m = y2 – y1/x2 – x1
= 2 – 5/-3 - 4
= -3/-7
= 3/7
Tentukan PGL
y – y1 = m(x – x1)
y – 5 = 3/7(x – 4)
y – 5 = 3/7x – 12/7
y = 3/7x – 12/7 + 35/7
y = 3/7 x – 23/7
7y = 3x – 23
7y – 3x + 23 = 0
Mapel: Matematika
Kelas: 8
Mater: PGL