What are the solutions of this quadratic equation

Iam in need of a tutor for my son in the northern ky area. can anybody me out

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer