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McDougal Littell

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Square-root function   The function define by y=√X  
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Conjugates   The expression (a+ √b) and (a-√b) are conugates of each other.  
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Complete the square   The process of rewriting a quadratic equation so that one side is a perfect square.  
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Pythagorean theorem   If a triangle is a right triangle, then the sum of the squares of the lenghts of the legs a and b equals the square of the leghth of the hypotenuse.  
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Hypotenuse   The side opposite the right angle in a right triangle.  
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Legs of a right triangle   The two sides of a right triangle that are not opposite the right triangle.  
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Hypothesis   The "if" part of an if-then statement. In the "if p, then q," p is the hypthesis.  
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Conclusion   If the "then" part of an if-then statement. In the statement "if p, then q," q is the conclusion.  
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Converse   A related statment in which the hypothesis and conclusion are interchanged.  
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Distance formula   The distance d between the points (x1,y1) and (x2,y2)  
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Midpoint between two points   The midpoint of the line segment connecting them.  
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Midpoint formula   The midpoint between (x1,y1) and (x2,y2)  
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Trigonometric Ratio   The ratio of the lengths of two sides of a right triangle.  
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Postulates, or axioms   The basic properties of mathematics that mathematicians accept without proof.  
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Theorems   A statement that can be proven to be true.  
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Conjecture   A statement that is thought to be true but is not yet proved. Often it is a statement based on observation.  
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Indirect Proof   A type of proof where it is first assumed that the statement is false.  
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Created by: dhmahlman
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