4808.sagews

p1=polygon ([(-7,-4),(-6,-1),(-4,1),(-1,1),(1,-1),(4,-1),(6,1),(7,4),(6,6),(2,8),(-2,8),(-6,6),(-8,2),(-8,-2)],color='black')

n1=circle((3,3), 1, fill=true,color='red')

p2=polygon ([(-7,-4),(-6,-6),(-2,-8),(2,-8),(6,-6),(8,-2),(8,2),(7,4),(6,1),(4,-1),(1,-1),(-1,1),(-4,1),(-6,-1),(-7,-4)],color='red')

n2=circle((-3,-3), 1, fill=true,color='black')

f=polygon([(10,10),(-10,10),(-10,-10),(10,-10)],color='yellow')

y1=plot(3*x+17,(x,-7,-6), thickness=4, color='green', legend_label='$y=3x+17$')

y2=plot(-2*x-18,(x,-7,-6), thickness=4, color='blue',  legend_label='$y=-2x-18$')

y3=plot(0*x+1,(x,-4,-1), thickness=4, color='pink', legend_label='$0x+1$')

y4=plot(0*x-1,(x,1,4), thickness=4, color='orange', legend_label='$0x-1$')

show(p1+n1+p2+n2+y1+y2+y3+y4)