Matematika

Pertanyaan

tolong bantu saya hri senin sudh dikumpulkan
tolong bantu saya hri senin sudh dikumpulkan

1 Jawaban


  • [tex] \frac{y - y1}{y2 - y1} = \frac{x - x1}{x2 - x1} \\ \frac{y - ( - 6)}{3 - ( - 6)} = \frac{x - ( - 3)}{2 - ( - 3)} \\ \frac{y + 6}{3 + 6} = \frac{x + 3}{2 + 3} \\ \frac{y + 6}{9} = \frac{x + 3}{5} [/tex]
    5 × (y + 6) = 9 × (x + 3)
    5y + 30 = 9x + 27
    5y = 9x + 27 - 30
    5y = 9x - 3
    [tex]y = \frac{9}{5} x - \frac{3}{5} [/tex]

    berpotongan dengan sumbu y berarti x = 0

    [tex]y = \frac{9}{5} x - \frac{3}{5} \\ y = \frac{9}{5} \times 0 - \frac{3}{5} \\ y = - \frac{3}{5} [/tex]
    koordinat = (0, -3/5)