" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
3y = x - 8
y = 1/3x - 8/3
m1 = 1/3
Tegak lurus, maka:
m1 . m2 = -1
1/3 . m2 = -1
m2 = -3
Persamaan garis yang melalui (3, -1):
y - y1 = m2 . (x - x1)
y - (-1) = -3 . (x - 3)
y + 1 = -3x + 9
y = -3x + 9 - 1
y = -3x + 8
3x + y - 8 = 0