coordinate plane notes. coordinate plane formed by two number lines, called axes, that intersect to...
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Coordinate Plane
Notes
Coordinate PlaneFormed by two
number lines, called axes, that intersect to form right angles at their zero points.
Origin
The point at which the two axes intersect.
Origin
X-Axis
The horizontal number line.
X
Y-Axis
The vertical number line.
Y
Ordered PairA pair of numbers
that represent the location of a point on the coordinate plane.
The ordered pair for the origin is (0, 0).
An ordered pair is always written in parentheses.
Origin (0,0)
Ordered PairX-Coordinate: the first
number in the ordered pair; located by moving left or right.
Y-Coordinate: the second number in the ordered pair; located by moving up or down.
Point (3,-2) move to the right 3 and down 2. Point (3,-2)
QuadrantsThe four regions
formed by the intersection of the two axes
The regions are numbered with Roman numerals;
The numbering begins in the top right quadrant and moves counter-clockwise.
III
III IV
QuadrantsThe four regions
formed by the intersection of the two axes
The regions are numbered with Roman numerals;
The numbering begins in the top right quadrant and moves counter-clockwise.
III
III IV
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