1. Find the equation for the line through points (-3, 1)and (4,7). 2. Find the equation for the line through points (0,-1)and(-3,0). 3. Find the equation for the line through points (-9, 2)and (3,5). 4. Find the equation for the line through points (-1,3)and (2,8). 5. Find the equation for the line through points (2,0) and (8,4).