[填空题]
Points A(−3,5), B(5,d a6uuip 2ft13x-rzpn b9 n :u4nv)*nm3), C(3,9), D(3,−3zjwtq jyqoy7bo7 0l-5 +q6 zr3) and E(11,5) represent coffee shops in a city. The coffee shopstlqryo+3zzw65 qyb7j0 j-q7 o are illustrated on the following coordinate axes.
Horizontal scale: 1 unit represents 1 km.
Vertical scale: 1 unit represents 1 km.
1.Calculate the gradient of the line segment BE.
The diagram below shows three straight lines that form an incomplete Voronoi diagram.
2.Find the equation of the line completing the Voronoi cell containing site B. Give your answer in the form ax+by+d=0 where a,b,d∈Z. ax+by+c=0 a = b = c =
3.In the context of the question, explain the meaning of the Voronoi cell containing site B.