1. Line FG contains points F (3, 7) and G (−4, −5). Line HI contains points H (−1, 0) and I (4, 6). Lines FG and HI are
parallel
perpendicular
neither
2. Line AB contains points A (8, −4) and B (1, −5). The slope of line AB is
−7
negative 1 over 7
1 over 7
7