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The Coordinate Plane
Lesson 10.1
Warm up Equation: (Just solve first problem, then push the skip button)
A Coordinate Plane is made up of two perpendicular ___________ ________.
Horizontal Number Line: ___ - _________
Vertical Number Line: ___ - _________
The point at which the x and y axes intersect is called the ____________.
The location of a point on the coordinate plane is called its _______________.
LABEL the 3 parts above
on this coordinate plane:
Point (Ordered Pair):
First number, x, gives the ____________ position.
Second number, y, gives the ____________ position.
EXPLORE: (move point around coordinate plane)
1) When is the x-coordinate positive? ________________________________________
2) When is the x-coordinate negative? ________________________________________
3) When is the y-coordinate positive? ________________________________________
4) When is the y-coordinate negative? ________________________________________
EXPLORE: (move point along the x-axis)
1) What do you notice about the coordinates of a point along the x-axis?
__________________________________________________________________
2) Name three examples of points on the x-axis. _______________________________
EXPLORE: (move point along the y-axis)
3) What do you notice about the coordinates of a point along the y-axis?
__________________________________________________________________
4) Name three examples of points on the y-axis. ________________________________
The x and y axes divide the coordinate plane into _________ regions called ______________.
Label the quadrants below:
Quadrant
I
II
III
IV
Sign of x coordinate
(
(
(
(
Sign of y coordinate
)
)
)
)