[-/1 Points] DETAILS SPRECALC7 1.10.012. Find the slope of the line through P and Q. P(-5, 1), Q(5, -3) [-/1 Points] DETAILS SPRECALC7 1.10.017.MI. Find the slopes of the lines /1, /2, /3, and /4 in the figure below. line /1 line /2 line /3 line /4 [-/1 Points] DETAILS SPRECALC7 1.10.021. Find an equation for the line whose graph is sketched. 1 X 0 1 5 [-/1 Points] DETAILS SPRECALC7 1.10.029. Find an equation of the line that satisfies the given conditions. Through (6, 1) and (5, 3)