Question

Write an equation of a line parallel to the line y=-1/2x+8 and passing through the point (0, 1).

Answer 1

a line with slope m and passing through point (a,b) is given by
y-b=m(x-a)
the perpendicular slope is 2/1, the point is (0,1)
y-1=2/1*(x-0)
y-1=2x
y=2x+1