NAME _______________
Introductory Algebra – Homework 10
Sections 4.3 and 4.4
Directions: Show all work and write your final answer in the space provided.
1.
Find the slope of the line through the points (3, 4) and (-2, -6).
1. _______________
2.
Find the slope of the line 3x – 5y = 11.
2. _______________
3.
Find the slope of the line through the points (-2, 4) and (-2, -7).
3. _______________
4.
Graph: 6x + 2y = 8
5.
Find the slope of the line –2x + 6y = -3.
6.
Determine if the lines are parallel, perpendicular, or neither:
7.
Graph: 4y = 3x
5. _______________
6x  3y  11
3x  6y  4
6. _______________
8.
Find the slope of the line 4x – 6 = 2.
8. _______________
9.
Find the slope of the line through the points (-3, 4) and (2, 4).
9. _______________
10. Graph: 5x + 3y = 15
11. Determine if the lines are parallel, perpendicular, or neither:
2x  10y  7
 2x  9  10y
11. _______________
2 1
 5 5
12. Find the slope of the line through the points  ,  and   ,  .
 3 2
 6 4
12. _______________
13. Find the slope of the line 9x + 11 = -6y.
13. _______________
14. Graph: 4x + 3 = -9
15. Determine if the lines are parallel, perpendicular, or neither:
3x  4y  8
4y  3x  12
16. Find the slope of the line through the points (5, -1) and (11, -10).
15. _______________
16. _______________
17. Find the slope of the line 
4
3
7
x y .
3
2
6
17. _______________
18. Find the slope of the line perpendicular to the line through the points (8, 3)
and (14, 6).
18. _______________
19. Find the slope of the line perpendicular to the line 5x – 3y = -12.
19. _______________
20. Graph: 3y – 12 = –2x