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m=3/2
maka persamaannya y=3/2x
2. y=3x-4, gradiennya 3
sejajar
m1=m2
3=3
y-y1=m(x-x1)
y-5=3(x-1)
y=3x-3+5
y=3x+2
3.
3x-6y+5=0
-6y=-3x-5
y=-3/-6x-5/-6
maka m nya adalah -3/-6=1/2
persamaan garisnya:
(y - y₁)/(y₂ - y₁) = (x - x₁)/(x₂ - x₁)
(y - 0)/(3 - 0) = (x - 0)/(2 - 0)
y/3 = x/2
2y = 3x
3x - 2y = 0
2. y - b = m(x - a)
y - 5 = 3(x - 1)
y - 5 = 3x - 3
3x - y + 2 = 0
3. 3x - 6y + 5 = 0
- 6y = - 3x - 5
y = (1/2)x + 5/6
m = 1/2