Matematika

Pertanyaan

Bantu aku ya. tlng d jawab ya.
Bantu aku ya. tlng d jawab ya.

1 Jawaban

  • A. (3,-2) dan (-1,3)
    (y + 2) / (3 + 2) = (x - 3) / (-1 - 3)
    (y + 2) / 5 = (x - 3) / -4
    -4(y + 2) = 5(x - 3)
    -4y - 8 = 5x - 15
    5x + 4y - 7 = 0

    B. (-5,0) dan (3,4)
    (y - 0) / (4 - 0) = (x + 5) / (3 + 5)
    y/4 = (x + 5) / 8
    8y = 4(x + 5)
    8y = 4x + 20
    4x - 8y + 20 = 0
    x - 2y + 5 = 0