Jawabanmu

  • med
  • Gemar Membantu
2014-02-06T21:45:07+07:00
M1= 1/2. / m1.m2=-1/ m2=-1* 2/ m2= -2/ y-y1= m(x-x1)/ y-7=-2(x-1)/ y-7=-2x+2/ y=-2x+2+7/ y=-2x+9