Question

No yang dilingkarin Please Bantu!
pakai jalan

Answer 1

12.  jawab A
(x1,y1) = (3, -2) 
m = - 5
y  = m (x-x1) + y2
y = - 5 ( x - 3) - 2
y = - 5x + 15 - 2
y = - 5x + 13
.
14) jawab  A
A(1,5), B(6,2)
(x2-x1) (y -y1) = (y2-y1)(x - x1)
(6-1) (y- 5) = (2-5)(x - 1)
5(y-5) = -3(x-1)
5y - 25 = -3x + 3
5y = -3x + 28
y =  - 3/5 x + 28/5