Matematika

Pertanyaan

melalui titik(1,1) dan sejajar garis 2x+3y=-3

1 Jawaban

  • Persamaan Garis
    SMP Kelas VIII

    ax + by + c = 0

    m = -a/b

    2x + 3y = -3
    m = -2/3

    Sejajar, maka m1 = m2 = -2/3

    Melalui titik (1, 1)
    (y - y1) = m(x - x1)
    (y - 1) = -2/3(x - 1)
    3(y - 1) = -2(x - 1)
    3y - 3 = -2x + 2
    3y = -2x + 2 + 3
    3y = -2x + 5
    2x + 3y = 5

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