Math Worksheet - Introduction To Coordinates
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1
2INTRODUCTION TO COORDINATES
NAME:
THIS HANDOUT IS DESIGNED TO BE USED WITH THE INTRODUCTION TO COORDINATES VIDEO.
WORDS YOU SHOULD KNOW.
Axis
Vertical
Perpendicular
Coordinates
Equation
Origin
Horizontal
Quadrant
Ordered Pairs
Plane
Point
The Coordinate System is a method of locating points in a
plane or space by means of numbers.
Label the coordinate system.
Vocabulary. Fill in the blanks.
1. Another word that means 90 degrees.
x-axis
1.
y-axis
2.
2. A flat surface that goes forever in all directions.
quadrant I
3.
quadrant II
3. The x- and y-axes intersect at this point (0,0).
4.
quadrant III
5.
4. The numbers that locate a point or coordinates.
quadrant IV
6.
Place and label the ordered pairs on the grid.
Write the coordinates for each point.
4
4
3
3
A ( 3 , 2 )
D
A
B
P
2
2
T ( 0 , 3 )
X
1
1
N ( -3 , 1 )
Q
X
1
2
3
4
-4
-3
-2
-1
1
2
3
4
-4
-3
-2
-1
K ( 2 , -3 )
M
M
-1
-1
Q
Y ( -2 , 0 )
P
-2
-2
D
-3
R ( -1 , -3 )
-3
B
-4
-4
Use the equations to find two coordinates for each line and create two lines on the grid below.
y = 4x - 2
y = 3 - x
x y
x y
0 -2
1
POINT #1 HELP
y = 4x - 2
y = 4(0) - 2
y = 0 - 2
(0,-2)
DID YOU NOTICE:
y = - 2
1. WHAT HAPPENS TO THE LINE WHEN
A NEGATIVE IS NEXT TO THE X?
2. WHAT HAPPENS WHEN A NUMBER
IS PLACED NEXT TO THE X?
PAGE 1
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