Name ———————————————————————
Date ————————————
Practice B
LESSON
3.5
For use with pages 180–187
Write an equation of line AB in slope-intercept form.
1.
y
2.
B
3.
y
2
y
A
A
A
B
x
1
1
1
4.
5.
y
B
x
1
6.
y
x
1
y
A
B
1
B
B
x
A
2
1
x
1
A
x
1
LESSON 3.5
1
Write an equation of the line that passes through point P and is parallel
to the line with the given equation.
Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1
7. P(22, 0); y 5 2} x 1 6
2
8. P(3, 9); y 5 4x 2 8
9. P(25, 24); y 5 22x 2 10
Write an equation of the line that passes through point P and is
perpendicular to the line with the given equation.
1
10. P(5, 20); y 5 } x 1 8
2
1
11. P(4, 5); y 5 2} x 2 6
3
12. P(3, 5); y 5 4
Write an equation of the line that passes through point P and is parallel
to line AB.
13.
14.
y
A
B
B
y
P
2
A
B
1
1
P
1
15.
y
x
P
1
x
A
1
x
Geometry
Chapter Resource Book
3-65
Name ———————————————————————
LESSON
3.5
Practice B
Date ————————————
continued
For use with pages 180–187
Write an equation of the line that passes through point P and is
perpendicular to line AB.
16.
17.
y
B
18.
y
y
P
A
1
P
1
1
A
1
x
1
x
1
B
A
x
B
P
LESSON 3.5
Graph the equation.
19. 22x 1 y 5 21
20. y 2 3 5 23x 1 2
y
21. y 1 6 5 4
y
y
1
1
1
x
1
x
1
x
1
22. 2(x 2 1) 5 2y
x
23. x 2 4 5 0
y
24. 2y 2 4 5 2x
y
1
y
1
1
x
1
1
x
25. Country Club The graph models the total cost of
Membership Cost
Cost (dollars)
joining a country club. Write an equation of the
line. Explain the meaning of the slope and the
y-intercept of the line.
y
8000
7500
7000
6500
6000
5500
5000
4500
4000
0
3-66
Geometry
Chapter Resource Book
(5, 7500)
(3, 6500)
0 1 2 3 4 5 6 7 x
Months
Copyright © Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1