Transcript Coordinate Plane

The
Coordinate
Plane
By: Christine Berg
Edited By:VTHamilton
Definition
Coordinate
Plane
The plane formed
when 2
perpendicular
number lines intersect
at their zero points
Coordinate Plane
The perpendicular
number lines form a
grid on the plane
X-axis
The horizontal
number line
• Positive to the right
• Negative to the left
Y-axis
The vertical
number line
• Positive upward
• Negative downward
Origin
Where the x and y
axes intersect at
their zero points
Quadrants
The x and y axes
divide the
coordinate plane
into 4 parts called
quadrants
II
I
III
IV
Ordered Pair
A pair of numbers
(x , y) assigned to a
point on the
coordinate plane
Ordered Pair
X-coordinate
(x , y)
Y-coordinate
Plotting a Point
Step 1:
Begin at the Origin
Plotting a Point
Step 2:
Locate x on the
x-axis
Plotting a Point
Step 3:
Move up or down to
the value of y
Plotting a Point
Step 4:
Draw a dot and label
the point
In Your Own
Words
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What is a coordinate
plane?
Define origin
How do you plot a
point?