6. A line passes through (2, –1) and (8, 4). Write an equation for the line in point-slope form.
7. A line passes through (4, 3) and (10, 10). Write an equation for the line in point-slope form.
8. A line passes through (–5, –9) and (2, –6). Write an equation for the line in point-slope form.
9. A line passes through (–1, 3) and (10, 9). Write an equation for the line in point-slope form.
10. A line passes through (–7, –3) and (4, 4). Write an equation for the line in point-slope form.