Use the slopes to determine if the lines are parallel, perpendicular, or neither.
15.
(1, 0) (5, 3) and (6, -1) (0, 2)
16. (5, 1) (-1, -1) and (2, 1) (3, -2)
17. Write the equation of the line with slope through the point (4, 6)
18. Write the equation of the line through points (4, 2) and (8,5)
19. What is the slope of the line 5y + 2x = 1 ?
20. Use the slope formula to determine the slope of the line containing points
A(0, 2) and B(2, 3).
21. Graph the line y – 2 = (x + 1)
22. Write the equation of the line that is parallel to y= x – 5 and
contains point (2, -1).
23.
Write the equation of the line that is perpendicular to y= x - 5 and
contains point (2, -1).