Journal of the Mathematics Council of the Alberta Teachers’ Association
Volume 27 Issue 1, June 1988
42 – 46
Edited by John B. Percevault
A wire hanging symmetrically across a road is anchored at the edges of the road on standards. The standards are 16 feet high. The road is 60 feet wide, and the height of the wire at the centre of the road is 10 feet above the road. Furthermore, after establishing the coordinate system shown, it is observed that the graph of the wire is