VOCAB
Coordinate plane
formed by intersection of two number lines called axis.
Polygon
closed plane figure formed by three or more line segments that interact only at their end point
(-2, 10) (25, 10)
27
Over the X and the Y (3,2)
X: (3,-2) Y: (-3,2)
(+,+)
1
Ordered pair:
two numbers in the form of (x,y) used to locate a point on a coordinate plane.
Vertex
the point where two sides of a polygon intersect
(-2, 30) (-2, -18)
48
Over the X and the Y (-5, -5)
X: (-5,5) Y: (5, -5)
2
Origin:
the point where the x and y axis intercept
Reflection
when a figure flips across the coordinate line
(12, 15) (12, 25)
10
Over the X and the Y (-2, 1)
X: (-2, -1) Y: (2,1)
(-,-)
3
Quadrant:
how the coordinate plane is divided into four areas
Plot (3,2)
Go 3 right and 2 up
(4, -1) (-47, -1)
51
Over the X and the Y (4, -4)
X (4,4) Y (-4, -4)
(+, -)
4
X-axis and Y-axis
X-axis: horizontal line of coordinate planeY-axis: vertical line on the coordinate plane
Plot (-5,4)
Go 5 left and 4 up
(10, 82) (10, 57)
25
Over the X and the Y (1,1)
X: (1,-1) Y: (-1,1)
(0,0)
Orgin