Contributed by:
Objective:
The student will be able to: graph ordered pairs on a coordinate plane.
1.
Objective
The student will be able to:
graph ordered pairs on a coordinate
plane.
Designed by Skip Tyler, Varina High School
2.
In the beginning of the year, I created a
seating chart for my classes. I created 5 rows
of desks with 4 desks in each row. Brian sits
in the third row at the second desk (3,2) and
Dwanda sits in the second row at the third
desk (2,3). Are these seats the same?
No!! The seats (3,2) and (2,3) are called
ordered pairs because the order in which
the pair of numbers is written is important!!
3.
Who is sitting in desk (4,2)? N
4 A B C D E
3 F G H I J
2 K L M N O
1 P Q R S T
1 2 3 4 5
4.
Ordered pairs are used to locate
points in a coordinate plane.
y-axis (vertical axis)
5
-5 5
x-axis (horizontal
axis)
-5
origin (0,0)
5.
In an ordered pair, the first number is
the x-coordinate. The second number
is the y-coordinate.
Graph. (-3, 2)
5
•
-5 5
-5
6.
What is the ordered pair for A?
5
1. (3, 1)
•A
2. (1, 3) -5 5
3. (-3, 1)
4. (3, -1)
-5
7.
What is the ordered pair for B?
5
1. (3, 2)
2. (-2, 3)
-5 5
3. (-3, -2)
•B
4. (3, -2)
-5
8.
What is the ordered pair for C?
5
1. (0, -4)
2. (-4, 0)
-5 5
3. (0, 4)
4. (4, 0)
-5
• C
9.
What is the ordered pair for D?
5
1. (-1, -6)
2. (-6, -1)
-5 5
3. (-6, 1) •D
4. (6, -1)
-5
10.
Write the ordered pairs that name
points A, B, C, and D.
5
A = (1, 3)
•A
B = (3, -2) -5 5
C = (0, -4) •D
•B
D = (-6, -1)
-5
• C
11.
The x-axis and y-axis separate the
coordinate plane into four
regions, called quadrants.
II I
(-, +) (+, +)
III IV
(-, -) (+, -)
12.
Name the quadrant in which each
point is located
(-5, 4)
1. I
2. II
3. III
4. IV
5. None – x-axis
6. None – y-axis
13.
Name the quadrant in which each
point is located
(-2, -7)
1. I
2. II
3. III
4. IV
5. None – x-axis
6. None – y-axis
14.
Name the quadrant in which each
point is located
(0, 3)
1. I
2. II
3. III
4. IV
5. None – x-axis
6. None – y-axis
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