Question

PG mll (3,-3) // 2x - y + x = 0

Answer 1

// = m1 = m2
maka m = 2
y-y1 = m(x-x1)
y+3 = 2(x-3)
y+3 = 2x-6
y-2x =-9
y-2x+9 =0

itu kalau dia sejajar