Answer to Question #76594 in Algebra for thomas

Question

Using computer technology (www.desmos.com or other mathematics graphing website) attach a graph of the parabola at midnight on the x-y axis keeping Des Moines at the origin and label the location of Columbus, Memphis, and Louisville on the graph. (Points may be added by hand to the computer generated graph).

Columbus, Ohio is 550 miles east and 80 miles south of Des Moines;
Memphis, Tennessee is 190 miles east and 430 miles south of Des Moines; and
Louisville, Kentucky is 420 miles east and 230 miles south of Des Moines.

a) For each of the above cities, state whether, by midnight, the city has already been affected by the front, is just about to be affected by the front, or has not yet been affected by the front.

b) How are your conclusions supported by the graph you drew in Step 5.

c) Support your conclusions using algebraic methods