# 1st Six Weeks Spiral Review (Alg 2)

## Terms

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- Segment
- Line containing TWO endpoints
- Ray
- Line consisting of a starting point and going out forever in one direction
- Collinear
- Lying on the same line
- Angles
- Formed by two rays with the same starting point
- Coincident Lines
- Two lines lying DIRECTLY on top of each other... they share an INFINITE number of points
- Transversal
- A line intersecting two other lines
- Conditional Statement
- An "IF THEN" statement. ALL THEOREMS ARE CONDITIONAL.
- Converse
- Reverse of original conditional statement
- Contrapositive
- A negation of the converse
- Syllogism
- Transitive property for conditional statements