1. Notes Over 4.1 Plotting Points in a Coordinate Plane Up and down
Left and right
To plot the point ( 2, -4 ), start at the origin and go 2 units to the right,
then go 4 units down.
This is the point ( 2, -4 )

2. Notes Over 4.1 Plotting Points in a Coordinate Plane
Plot and label the ordered pairs in a coordinate plane.
A: 5 units to the right, 4 units up
B: 3 units to the left, on x-axis
C: 1 unit to the left, 2 units down

3. Notes Over 4.1 Plotting Points in a Coordinate Plane
Plot and label the ordered pairs in a coordinate plane.
A: 3 units to the left, 2 units up
B: at the origin
C: 2 units to the right, 2 units down

4. Notes Over 4.1 Plotting Points in a Coordinate Plane
Plot and label the ordered pairs in a coordinate plane.
A: on the y-axis, 4 units down
B: 3 units to the right, 5 units up
C: 3 units to the right, 1 unit down

5. Notes Over 4.1 Plotting Points in a Coordinate Plane
Plot and label the ordered pairs in a coordinate plane.
A: 1 unit to the left, 2 units down
B: 5 units to the right, 2 units down
C: 4 units to the left, on the x-axis

6. Notes Over 4.1 Plotting Points in a Coordinate Plane
Plot and label the ordered pairs in a coordinate plane.
A: 1 unit to the left, 3 units up
B: 2 units to the right, on the x-axis
C: 3 units to the right, 2 units down

7. Notes Over 4.1 Plotting Points in a Coordinate Plane
Plot and label the ordered pairs in a coordinate plane.
A: 2 units to the right, 4 units up
B: 2 units to the left, 5 units up
C: on the y-axis, 3 units up

8. Notes Over 4.1
In Exercises 7 and 8, make a scatter plot of the data. Use the horizontal axis to represent time.
Year
Members 7.
120
100 80 60 40 20

9. Notes Over 4.1
In Exercises 7 and 8, make a scatter plot of the data. Use the horizontal axis to represent time.
Month Jan. Apr. Aug. Dec.
Adults 8. 60 50 40 30 20 10
J F M A M J J A S O N D

10. Notes Over 4.1 9. Quarts 3.0 4.0 5.0 6.0 Gallons 0.75 1.0 1.3 1.5 3.0
In Exercises 9 and 10, use a scatter plot to see if the given information is correct. If not, explain how the data should be changed.
Quarts
Gallons 9.
3.0
2.5
2.0
1.5
1.0
0.5
5 Quarts should be 1.25 gallons to be in line.

11. Notes Over 4.1 10. Hours 3 5 6 8 Rental Charge 14 20 24 32 36 30 24 18
In Exercises 9 and 10, use a scatter plot to see if the given information is correct. If not, explain how the data should be changed.
Hours
Rental Charge
10. 36 30 24 18 12 6
3 Hours should be 12 dollars in rental charges to be in line.

12. Notes Over 4.1