Vocabulary
Angles
Triangles
Equations of lines
Logic and Reasoning
100
Two angles whose measures have a sum of 180.
What is supplementary?
100
Angles opposite each other when two lines intersect. They share the same vertex and are congruent to each other.
What are vertical angles?
100
Has at least two sides congruent.
What is an isosceles triangle?
100
y = mx + b
What is slope-intercept form of a linear equation?
100
The converse of 'If it is a black bear, then it lives in North America'.
What is 'If it lives in North America, then it is a black bear'.
200
Follows the 'if' part of a conditional.
What is hypothesis?
200
Angles that measures exactly 90 degrees.
What is a right angle?
200
This triangle has no congruent sides.
What is scalene?
200
rise over run; change in y over the change in x
What is slope?
200
The inverse of 'If it is a black bear, then it lives in North America'.
What is 'If it is not a black bear, then it does not live in North America'.
300
Switches hypothesis and conclusion.
What is converse?
300
Angles that share a common side and vertex.
What is adjacent?
300
A triangle that is equilateral and equiangular is called this.
What is regular?
300
If slopes of lines are the same, the lines are this.
What is parallel?
300
Statements that can be made by using the Law of Detachment: If you decide to go to the football game, then you will miss band practice. Tonight, you are going to the football game.
What is you will miss band practice.
400
Accepted statement of fact.
What is a postulate (axiom)?
400
In an isosceles triangle, it is the angle formed by the two congruent legs and is opposite the base.
What is vertex?
400
The longest side in a right triangle; opposite the right angle.
What is hypotenuse?
400
Perpendicular lines have these types of slopes.
What are opposite reciprocals?
400
Statement made using Law of Syllogism: If you get an A or better on your math test, then you can go to the movies. If you go to the movies, then you can watch your favorite actor.
What is 'If you get an A or better on your math test, then you can watch your favorite actor'.
500
Joins the midpoints of two sides of a triangle and is parallel to the third side.
What is a midsegment?
500
The angles in a triangle add up to this number of degrees.
What is 180?
500
What CPCTC stands for.
What is Corresponding Parts of Congruent Triangles are Congruent?
500
A method to graph a line when the equation is in standard form.
What is finding the intercepts? (set x = 0, solve for y to get y-intercept; set y = 0, solve for x to get x-intercept; plot the two points; draw a line through the points)
500
A way to show that a conjecture is false.
What is a counterexample.
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