In Exercises 79-80, write each equation as a quadraHc equation in y ami then use the quadratic formula to express yin femJS ofx. Graph the resulting two equations using a graphing uti/it)'. What effect does the xy-term have on the graph of the resulting parabola? 16xl - 24.ty + 9yl - 60x - SOy+ 100 - 0

THE AMERICAN WEST ▯ Purpose of the photos in this period Supreme deity of very beautiful landscapes Justify manifest destiny Name something after themselves and then photograph it so everyone knows Native Americans: gentle (easily assimilate-able) or disappearing Landscape painting Survey teams (government sponsored)...