Matematika

Pertanyaan

tentukan persamaan garis yg melalui titik(-3,5)dan (0,-3)

2 Jawaban

  • [tex] y_{2} [/tex]-[tex] y_{1} [/tex]
    --------------
    [tex] x_{2} [/tex]-[tex] y_{1} [/tex]

    [tex] \frac{-3-(5)}{0-(-3)} [/tex]


    -[tex] \frac{-8}{3} [/tex]
  • y - y1. x - x1
    -------- = ----------
    y2 - y1. x2 - x1

    y - 5. x -(-3)
    -------- = ---------
    3 - 5. 0 - (-3)

    y-5. x + 3
    ------- = ---------
    -2. 3

    3(y-5). = -2(x+3)
    3y-15. = -2x -6
    3y+2x-15+6=0
    3y+2x-9=0

Pertanyaan Lainnya