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y-5/4-5 = x-1/3-1
y-5/-1 = x-1/2
2y -10 = -x + 1
2y + x = 1 + 10
2y + x = 11
Maka, persamaan garisnya 2y + x = 11
2y = -x + 11
y = -1/2x
Maka gradiennya adalah -1/2
m = y2 - y1 / x2 - x1
= 4 - 5 / 3 - 1
= -1 / 2
jadi gradien/kemiringan (m) =-1/2