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y = -2x -5
m = -2
y-5 = -2(x-2)
y = -2x + 4 + 5
y = -2x + 9
2x + y = 9
3x = -4y + 5
4y = -3x + 5
y = -3/4 x + 5/4
m= -3/4
y-5 = -3/4(x-2)
y = -3/4x + 6/4 + 5
y= -3x + 6 + 20
4
x4
4y = -3x + 6 + 20
3x + 4y = 26
maaf kalo salah
m=b/a
=1/2
tentukan persamaannya
g = y-y₁ + m(x-x₁)
= y - 5 + 1/2(x - 2)
= y - 5 + 1/2x - 1
= y + 1/2x - 6 | utk mnghlngkn pnybt,kita kali dengn yg ssuai pnybutnya x2
= 2y + x - 12
b. gradien
m=b/a = -4/3
persamaan
g= y - y₁ + m(x - x₁)
= y-5 + (-4/3)(x-2)
= y-5 - 4/3x + 8/3
= y - 4/3x - 5 + 8/3
= y - 4/3x - 7/3 | x3
= 3y - 4x - 7
atau
g= y - y₁ + m(x - x₁)
= y-5 + (-4/3)(x-2)
= y - 5 - 4/3x + 8/3 | langsung di x3
= 3y -15 - 4x + 8
= 3y -4x - 7
lebih simpel tapi hasilnya sama
jika ada salah saya minta maaf.