Unit 1: A-M
What is the definition of an ARC MARK?
An ARC MARK is used to show that two angles are congruent.
What is the meaning of OPPOSITE RAYS?
OPPOSITE RAYS means two rays that have similar endpoints that form a line.
What is the meaning of BI- CONDITIONAL?
BI- CONDITIONAL means statements that are true when both conditional and converse are the same truth value.
p<->q
What is the TRUTH VALUE?
TRUTH VALUE is a true or false statement.
How do you slove an Algebraic Proof?
Finish the equation and use the reasoning statements.
What is BISECTOR?
BISECTOR is a line, ray, or segment that divides an angle or segment into two equal parts.
What's the degree of a RIGHT, OBTUSE, ACUTE, and STRAIGHT angles?
RIGHT- 90
OBTUSE- more than 90
ACUTE- less than 90
STRAIGHT- 180
Give an example of a COUNTEREXAMPLE.
Everyone goes to college. - False, not everyone goes.
Varied answers.
Give an example of a SUBTRACTION PROPERTY.
If k=G, then k-D= G-D.
What statement does TRUE and FALSE belong to?
CONDITIONAL.
What is the definition of a LINE SEGMENT?
A LINE SEGMENT means two endpoints with a measurable part of a line.
What are the terms for UNDEFINED TERMS?
Points, Lines, Planes.
What are the differences between LAW OF DETACHMENT and LAW OF SYLLOGISM?
LOD- Hypothesis is true, then conclusion is true.
LOS- 2 conditional statements. The conclusion of the 1st statement needs to match 2nd statement or it is invalid.
Describe the 3 VENN DIAGRAMS.
All, Some, or Never.
What are the two different types of POSTULATES?
One for POINTS, LINES, and PLANES.
Another for INTERSECTION of LINES and PLANES.
What is the definition of INTERSECTING PLANE?
INTERSECTING PLANE means two planes that intersect at a plane.
What is the definition of PERPENDICULAR BISECTOR?
PERPENDICULAR BISECTOR means a line, segment, or ray at an angle of 90 degrees to a segment at the midpoint.
Create a HYPOTHESIS statement and a CONCLUSION statement.
If I like the color pink, then everyone should like the color pink.
What is another word for REFLEXIVE?
Reflection; equal itself.
What is a LINEAR PAIR?
ADJACENT and SUPPLEMENTARY angles = 180 degrees.
Write the MIDPOINT formula.
(x1 + x2 , x1 + x2)
_____________
2
What is the direction rays go forever?
RAYS goes in one direction forever.
What does NEGATION mean?
NEGATION means making the statement opposite.
If it's true you make it false.
A TRUTH TABLE is..?
TRUTH TABLE is an organized way to see truth vale.
Another word for SIMPLIFY?
COMBINE LIKE TERMS.