Vocabulary
Divide into two equal parts.
What is bisect?
Given A, B, and C are collinear. Find x, if AB=2x-19, AC=11, and BC=x-3.
What is x=11?
The midpoint of (7, 3) and (-4, 9).
What is (1.5, 6)?
Write the conditional statement for:
When x=6, x^2=36.
What is "If x=6, then x^2 =36."?
The first statement for any two-column proof.
What is the given?
A location in space.
What is a point?
Given A, B, and C are collinear. Find x, if AB=7, AC=x+12, and BC=2x+8.
What is x=-3?
The distance between (1, 6) and (8, 8) (round to the nearest tenth).
What is 7.3?
Write the inverse of the conditional statement"
If you are a guitar player, then you are a musician.
What is "If you are not a guitar player, then you are not a musician."?
Given the two-column proof:
Statement 2.
What is DE = EF?
The sum of two angles is 90 degrees.
What is complementary?
Given A, B, and C are collinear. Find AB, if AB=-6+2x, AC=x+6, and BC=7.
What is AB=4?
The distance between (-6, 8) and (6, 2). (round to the nearest tenth).
What is 13.4?
Write the converse of the conditional statement:
If a dog is a Great Dane, then it is large.
What is "If a dog is large, then it is a Great Dane."?
Given the two-column proof:
Reason 3.
What is substitution property?
Angles that share a common vertex, across from each other, and have same size.
What are vertical angles?
Given the picture on the board:
Find x, if m<ABC= 10x+2, m<ABD = 60, and m<DBC=4x+8.
What is x=11?
The other endpoint of the segment given (-2, -2) and midpoint (3, 7).
What is (8, 16)?
Write the contrapositive of the conditional statement:
If you compete in the Olympics, then you are an athlete.
What is "If you are not an athlete, then you do not compete in the Olympics."?
Given the two-column proof:
Reason 9.
What is simplification?
Reverse the hypothesis and the conclusion of a conditional statement.
What is the converse?
Given the picture on the board:
m<DBC = 38, m<ABD = 5x-1, and m<ABC = 10x-8, find m<ABD.
What is 44?
The other endpoint given (5, -3) and the midpoint (9, 2).
What is (13, 7)?
Find a counterexample for:
If a number is divisible by 2, then it is also divisible by 4.
What is 14? (other examples can be provided)
Given the two-column proof:
Statement 6.
What is x=3?