Proof Vocab
This is when you add on both sides of an equation.
What is the addition property?
1. 7x+3=2x+13
2. 5x+3=13
3. 5x=10
4. x=2
What is the first step called?
What is the given?
180 degrees
What are Supplementary angles?
How old is Mr. McGee
23
This is when you multiply on both sides of an equation.
What is the multiplication property?
1. 7x+3=2x+13
2. 5x+3=13
3. 5x=10
4. x=2
What is the third step called?
What is subtraction?
If there is a box in the corner of the angle.
How can you tell if an angle is 90 degrees?
DOUBLE POINTS
What is Mr. McGee's wifes name?
Ashlynn
This is when you combine like terms on both sides of the equation.
What is the substitution property?
After the given what is the next step in this equation?
4(3x+12)=10/2 + 4x
What is distribution?
180 degrees and adjacent angles.
What is a linear pair?
What is Mr. McGee's Favorite dessert?
Pizookie
This is a=b and b=c then a=c.
What is the transitive property?
What do you do the reverse of when solving algebraic expressions?
PEMDAS
ab+bc=ac
What is an example of the segment addition postulate?
What is Mr. McGee's favorite thing to do in the summer?
Go to the beach
This is if AB=AB.
What is the reflexive property of equality?
DOUBLE POINTS
The image on the board to the left is a supplementary angle.
ABC = 2x-10
ABD = 2(4x+15)
Given= ABC and ABD are supplementary angles
Proof = x=14
List all of the steps of your proof. (7 steps)
1. Given
2. Definition of Supplementary
3. Substitution
4. Distribution
5. Substitution
6. Subtraction
7. Division
DOUBLE POINTS
One of the six congruence statements.
ASA
AAS
SSA
SSS
RHS
CPCTC
What is Mr. McGee's favorite candy?
milky way