Question

Which makes an angle of 135° with the axis of x and which cuts the axis of y at a distance -8?

Answer 1

m = tan 135 = -1

point is ( 0, - 8 )

equation is y-y1 = m ( x-x1 )

y +8 = -1 ( x - 0 ) implies y+8 = -x

equation is x+y+8=0