Coordinates
Dec 18, 2015
Coordinates
You are used to reading and plotting coordinates in this quadrant.
0
3
2
1
1 2 3 4 5
5
4This is called
the first quadrant
3
2
1
You can extend the horizontal axis
031 2
Count back from zero…
-1-2-3-4
-1-2-3-4
3
2
1
031 2
You can extend the vertical axis
-1
-2
-3
Now you have four quadrants
-1-2-3-4
3
2
1
031 2-1
-2
-3
12
3 4
In the second quadrant what are the coordinates of this point?
0-1 -4 -3 -2 -5
1
2
3
4X(4, -4)
(-4, 4)
(4, 4)
(-4, -4)
In the second quadrant what are the coordinates of this point?
0-1 -4 -3 -2 -5
1
2
3
4
X
(1, -2)
(-1, -2)
(2, 1)
(-1, 2)
In the third quadrant what are the coordinates of this point?
(2, -3)
(-3, -2)
(3, 2)
(-2, -3)
0-1 -4 -3 -2 -5
-4
-3
-2
-1
X
In the third quadrant what are the coordinates of this point?
(-5, -1)
(-5, 1)
(-1, 5)
(-1, -5)
0-1 -4 -3 -2 -5
-4
-3
-2
-1X
In the fourth quadrant what are the coordinates of this point?
4 1 2 30
-4
-3
-2
-1
X
(-3, -4)
(-3, -3)
(4, -3)
(-3, 4)
In the fourth quadrant what are the coordinates of this point?
4 1 2 30
-4
-3
-2
-1
X
(3, 3)
(0, 3)
(0, -3)
(3, 0)
Now click on these coordinates
1 2 3-3 -2 -1
-1
-2
-3
3
2
1
0
(-2, -1)
Now click on these coordinates
1 2 3-3 -2 -1
-1
-2
-3
3
2
1
0
(2, -3)
Now click on these coordinates
1 2 3-3 -2 -1
-1
-2
-3
3
2
1
0
(-3, -1)
Now click on these coordinates
1 2 3-3 -2 -1
-1
-2
-3
3
2
1
0
(-2, 2)