Notes Over 4.1Plotting Points in a Coordinate PlanePlotting Points in a Coordinate Plane

yx,Left and right

Up and down

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 )

4,2

Notes Over 4.1Plotting Points in a Coordinate PlanePlotting Points in a Coordinate PlanePlot and label the ordered pairs in a coordinate plane.

A: 5 units to the right, 4 units upA

2,1 ,0,3 ,4,5 .1 CBA

B: 3 units to the left, on x-axis

BC: 1 unit to the left, 2 units down

C

Notes Over 4.1Plotting Points in a Coordinate PlanePlotting Points in a Coordinate PlanePlot and label the ordered pairs in a coordinate plane.

A: 3 units to the left, 2 units up

A

2,2 ,0,0 ,2,3 .2 CBA

B: at the origin

BC: 2 units to the right, 2 units down

C

Notes Over 4.1Plotting Points in a Coordinate PlanePlotting Points in a Coordinate PlanePlot and label the ordered pairs in a coordinate plane.

A: on the y-axis, 4 units down

A

1,3 ,5,3 ,4,0 .3 CBA

B: 3 units to the right, 5 units upB

C: 3 units to the right, 1 unit down

C

Notes Over 4.1Plotting Points in a Coordinate PlanePlotting Points in a Coordinate PlanePlot and label the ordered pairs in a coordinate plane.

A: 1 unit to the left, 2 units down

A

0,4 ,2,5 ,2,1 .4 CBA

B: 5 units to the right, 2 units down

B

C: 4 units to the left, on the x-axis

C

Notes Over 4.1Plotting Points in a Coordinate PlanePlotting Points in a Coordinate PlanePlot and label the ordered pairs in a coordinate plane.

A: 1 unit to the left, 3 units upA

2,3 ,0,2 ,3,1 .5 CBA

B: 2 units to the right, on the x-axis

BC: 3 units to the right, 2 units down

C

Notes Over 4.1Plotting Points in a Coordinate PlanePlotting Points in a Coordinate PlanePlot and label the ordered pairs in a coordinate plane.

A: 2 units to the right, 4 units upA

3,0 ,5,2 ,4,2 .6 CBA

B: 2 units to the left, 5 units upB

C: on the y-axis, 3 units up C

Notes Over 4.1In Exercises 7 and 8, make a scatter plot of the data. Use the horizontal axis to represent time.

97 98 99 00

120

100

80

60

40

20

Year 1997 1998 1999 2000

Members 74 81 89 95

7.

Notes Over 4.1In Exercises 7 and 8, make a scatter plot of the data. Use the horizontal axis to represent time.

J F M A M J J A S O N D

60

50

40

30

20

10

Month Jan. Apr. Aug. Dec.

Adults 22 30 15 42

8.

Notes Over 4.1In 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.

1 2 3 4 5 6 7 8 9 10

3.0

2.5

2.0

1.5

1.0

0.5

Quarts 3.0 4.0 5.0 6.0

Gallons 0.75 1.0 1.3 1.5

9.

5 Quarts should be 1.25 gallons to be in line.

Notes Over 4.1In 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.

1 2 3 4 5 6 7 8 9 10

36

30

24

18

12

6

Hours 3 5 6 8

Rental Charge 14 20 24 32

10.

3 Hours should be 12 dollars in rental charges to be in line.

Notes Over 4.1