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Vini
Lv 5
Vini asked in Ciências e MatemáticaMatemática · 1 decade ago

Encontre a equação da reta em cada caso:?

A - Tem coeficiente m=1/2 e passa pelo ponto A(-1,4)

B - Tem coeficiente m=0 e passa pelo ponto A(4,3)

C - Tem coeficiente m=3/2 e passa pelo ponto A(2,5)

2 Answers

Rating
  • MPSal
    Lv 7
    1 decade ago
    Favorite Answer

    Fórmula:

    Y-Ya =m(X-Xa)

    Bom estudo!

  • »- ¢ђэℓℓý -»
    Lv 5
    1 decade ago

    A) ax+ by+ c=0

    1x+2y+c=0

    1.(-1)+2.4+c=0

    -1+8+c=0

    c=+1-8

    c=-7

    Eq=1x+2y-7=0

    C)ax+by+c=0

    -3x+2y+c=0

    -3.2+2.5+c=0

    -6+10+c=0

    c=+6-10

    c=-4

    Eq=-3x+2y-4=0

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