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Coordinate Plane

X-Axis (Horizontal)

Y Axis (Vertical)

Origin (0,0) where x and y axes cross

Ordered Pair (x, y) identifies a location on the coordinate Plane

Quadrants: I. (+ +) II. (-, +) III. (-,-) IV. (+, -)

Distance | x2 - x1| or |y2 - y1|

OR Add values when you cross Quadrants: |x2| + |X1| or |Y2| + |Y1|

Subtract when you are in a quadrant: |x2| - |x1| or |Y2 |- |Y1|

(When you cross an Axis, on of the signs will be Negative, SO: x2 - (-x1) -> (X2 + X1)

Distance is not (-) negative so the Absoulte Value (| q | is used.

REFLECTION: Over X: (x, y) Becomes (x, -y)

Reflection Over Y: (x, y) Becomes (-x, Y)

Over both (X, Y): (x, y) Becomes (-x, - y)

Never Eat Sea Weed

NORTH = UP + Y

EAST = RIGHT + X

SOUTH = DOWN ( - Y)

WEST = LEFT ( - X)

Worksheets: https://www.dadsworksheets.com/printables/coordinate-plane-quadrant-labels.html

https://sites.google.com/a/lsr7.net/wve-math/teachers/6th-grade-resources/6th-grade---unit-4---coordinate-plane

https://www.helpteaching.com/questions/Coordinate_Geometry/Grade_6

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