Matematika

Pertanyaan

tolong bantuanya kak........
tolong bantuanya kak........

2 Jawaban

  • i. y=-3*-11
    ii. y=0*-5
    iii. y=1/4*-4 1/2
    iv. x=-2

    bintang, maksudnya kali
    #no iv sya gk yakin, itu berdasarkan guru sya
    #maaf klo slh
  • i) garis a
    y-y¹=m(x-x¹)
    y-(-5)=-3(x-(-2))
    y+5=-3(x+2)
    y+5=-3x+6
    y=-3x+6-5
    y=-3x+1
    ii) garis b
    y-(-5)=0(x-(-2))
    y+5=0(x+2)
    y+5=0
    y=5
    iii) garis c
    y-(-5)=1/4(x-(-2))
    y+5=1/4(x+2)
    y+5=1/4x+2/4
    y=1/4x+2/4-5(20/4)
    y=1/4x-18/4
    4y=x-18
    iv) ga tau

    Maaf ya kalo salah, maaf jg yg iv ga tau