On a line, but has a beginning and end.
What is a line segment?
The transformation that flips over a line of symmetry
Reflection
2 angles that share a common side and vertex
Adjacent Angles
Angles of the same size and shape.
Congruent
The slopes of the lines are the same.
What are parallel lines?
Points that lie on the same line.
Collinear Points
(x, y) --> (-x, -y)
What is 180o Rotation?
Angles that total 90o
Complementary Angles
Angles in the same relative position
What are corresponding angles?
The slope of perpendicular lines.
What is negative reciprocals?
A flat surface that contains many lines and extends without end in the directions of all the lines.
Plane

What is Translation (x-8), (y-3)?
2 Angles with a sum of 180 degrees
Supplementary Angles
Angles on opposite sides of the transversal and outside the parallel lines. They are congruent
What are alternate exterior angles?
The relationship between the following lines:
y = 2x - 5
4x - 2y = 10
What are parallel lines?
Points and lines in the same plane.
Coplanar

What is rotation 90 degrees counterclockwise?
Congruent angles across each other on intersecting lines.
Vertical Angles
Find the value of x
What is 8?
The relationship between the following lines:
3x + 2y = 9
4x - 6y = 6
What are perpendicular lines?
Points, Lines & Planes
Undefined Terms
A transformation that involves a scale factor creating an enlargement or reduction in a pre-image
What is Dilation
Adjacent, Supplementary Straight Angle
Linear Pair
The value of x
What is 110 degrees?
The relationship between the following sets of points.
(3, 2) (5, 6)
(1. 5) (4, 11)
What is parallel?