Download Practice B 3-2 - MrWalkerHomework

Name
LESSON
Date
Class
Practice B
3-2 Graphing on a Coordinate Plane
Give the coordinates of each point and quadrant.
1. F
y
2. X
8
D
3. T
X
4. B
4
x
O
4
!4
B
!4
!8
5. D
H
F
6. R
8
T
Y
!8
7. H
R
8. Y
y
Graph each point on a coordinate plane.
1
9. A(2!2!, 1)
4
10. B(0, 4)
11. C(2, !1.5)
1
3
2
12. D(!2, 3.5 )
1
1
13. E (!2!3!, 0)
14. F(!1!2!, !3)
x
!4
4 !3
3 !2
2 !1
1
!1
!2
!3
1 2 3 4
!4
Complete the table of ordered pairs. Graph
each ordered pair on a coordinate plane.
Draw a line through the points.
y
1
15. y " 1!2!x
x
1
1!2!x
5
4
y
(x, y)
3
2
0
1
!5
5 !4
4 !3
3 !2
2 !1
1
1
1
!2
2
x
1 2 3 4
5
!3
!4
!5
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
12
Holt Mathematics
Practice B
3-2 Graphing on a Coordinate Plane
Practice A
3-2 Graphing on a Coordinate Plane
LESSON
LESSON
y
Give the coordinates and quadrant of each point.
1. A
(5, 3); I
(2,1); I
3. C
E
4. D
(!2, 2); II
!8
H
(!5, 2); II
(!5, !5); III
(5, !4); IV
1
K
O
!2
!4
!4
x
2
!2
Complete the table. Graph the equation.
4
!8
S
0
0#4
4
(0, 4)
1
1#4
5
(1, 5)
2
2#4
6
(2, 6)
(5, 9)
(2, 6)
y"x#4
(1, 5)
4
(0, 4)
O
!4
12. D(!2, 3.5 )
1
13. E(!2!3!, 0)
1
14. F(!1!2!, !3)
E
1
4
1!2!x
1
1!2!(0)
1
1!2!(1)
1
1!2!(2)
0
8
1
!8
2
Holt Mathematics
y
(x, y)
0
(0, 0)
1
3
2
1
1
1!2!
(1, 1!2!)
3
(2, 3)
(!3, !3); III
!8
12
Holt Mathematics
!4
4
T
4
F
C
H
E
x
D
O
B
8
4
A
!4
P
G
!8
W
!8
Y
y
8
Using a grid to represent a coordinate plane, graph
point A by starting at the origin, where the x-axis and
y-axis intersect. The x-coordinate, 3, tells you to go
!8
right 3. The y-coordinate, !2, tells you to go down 2.
x
O
R !4
(6, !8); IV
7. X
S
U
6. W
(!2, 1); II
5
!3
Point A is described by the ordered pair (3, !2). The
first number, 3, is the x-coordinate and the second
number, !2, is the y-coordinate.
4
X
4. T
5. U
1 2 3 4
1
!2
!4
!5
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
y
8
(8, !1); IV
x
!5
5 !4
4 !3
3 !2
2 !1
1
Reteach
3-2 Graphing on a Coordinate Plane
2. R
(1, 6); I
C
LESSON
Give the coordinates of each point.
3. S
x
1 2 3 4
5
4
1
x
x
Practice C
3-2 Graphing on a Coordinate Plane
(3, !4); IV
A
y
1
LESSON
1. P
3
2
15. y " 1!2!x
!4
11
B
!4
4 !3
3 !2
2 !1
1
!1
!2
F !3
9
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
R
!4
8
!8
16. Tabi is 4 years older than her sister.
Use the equation and coordinate grid
in Exercise 15 to graph the point for
x " 5. The y-value represents Tabi’s
age. How old is Tabi?
11. C(2, !1.5)
D
4
Complete the table of ordered pairs. Graph
each ordered pair on a coordinate plane.
Draw a line through the points.
y
(x, y)
10. B (0, 4)
M
15. y " x # 4
y
T
(!5, !6); III
9. A(2!2!, 1)
2
N
R
x#4
B
y
4
14. S(0, !3)
x
!4
8. Y
(3, 8); I
12. P(2, 5)
13. R(!3, !2)
F
8
Y
Graph each point on a coordinate plane.
P
10. M(3, !2)
11. N(!1, 1)
4
y
Graph each point.
9. K(1, 2)
x
(1, !8); IV
7. H
H
4
O
!4
!8
6. R
(!4, 4); II
!8
(!1, !3); III
X
(5, !4); IV
5. D
8. H
D
4. B
(8, !3); IV
G
F
8
(!6, 3); II
3. T
x
8
4
y
2. X
(!2, !3); III
A
O
!4
6. F
7. G
C
4
D
1. F
B
(2, 6); I
5. E
Give the coordinates of each point and quadrant.
8
2. B
8. Y
(!6, 3); II
(!9, !7); III
1
1
9. A(2!3!, 4)
3
2
1
1
12. D(!2, 1!3!)
1
13. E(3!2!, 0)
D
14. F(!1, !1.5)
A
4
1
10. B(!1!2!, !2!2!)
11. C(0, !3.5)
Write an ordered pair to describe each point on the coordinate
plane above.
y
Graph each point on a coordinate plane.
!4
4 !3
3 !2
2!
Complete the table of ordered pairs. Graph
each ordered pair on a coordinate plane.
Draw a line through the points.
!4
(0, 6)
2. point F
("5, 4)
x
1 2 3 4
y
4. J(2, 1)
5. K(!3, 0)
6. L(5, !4)
7. M(!4, !4)
4
K
C
8. N(!2, 6)
9. P(3, !2)
y
The graph of an equation is the set of all ordered
pairs that are solutions of the equation.
!8
!4
M
8x ! 7
y
(x, y)
0
8(0) ! 7
!7
(0, !7)
1
8(1) ! 7
1
(1, 1)
2
8(2) ! 7
9
(2, 9)
16. Samantha owes her brother $7. One day she
works 6 hours and gets paid $8 per hour. Use
the equation and coordinate grid in Exercise 15
to graph the point for x " 6. How much money
does Samantha have after paying her brother?
40
!4
O
(2, 9)
4
(0, !7)
13
Copyright © by Holt, Rinehart and Winston.
P
L
!8
y
8
10. y " 4x
x
8
x
!20
!40
$41
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
x
8
4
!4
Complete the table. Graph each ordered pair.
Draw a line through the points.
20
!8
J
O
(6, 41)
y " 8x ! 7
(1, 1)
8
N
15. y " 8x ! 7
x
("2, "6)
3. point G
Graph each ordered pair.
E
1
F
!2
B !3
1. point C
Holt Mathematics
4x " y
0
4(0) "
0
(0, 0)
1
4(1) "
4
(1, 4)
2
4(2) "
8
(2, 8)
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
55
4
(x, y)
x
!8
!4
O
y " 4x
4
8
!4
!8
14
Holt Mathematics
Holt Mathematics