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Algebra 1 Chapter 12
McDougal Littell
| Question | Answer |
|---|---|
| Square-root function | The function define by y=√X |
| Conjugates | The expression (a+ √b) and (a-√b) are conugates of each other. |
| Complete the square | The process of rewriting a quadratic equation so that one side is a perfect square. |
| 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. |
| Hypotenuse | The side opposite the right angle in a right triangle. |
| Legs of a right triangle | The two sides of a right triangle that are not opposite the right triangle. |
| Hypothesis | The "if" part of an if-then statement. In the "if p, then q," p is the hypthesis. |
| Conclusion | If the "then" part of an if-then statement. In the statement "if p, then q," q is the conclusion. |
| Converse | A related statment in which the hypothesis and conclusion are interchanged. |
| Distance formula | The distance d between the points (x1,y1) and (x2,y2) |
| Midpoint between two points | The midpoint of the line segment connecting them. |
| Midpoint formula | The midpoint between (x1,y1) and (x2,y2) |
| Trigonometric Ratio | The ratio of the lengths of two sides of a right triangle. |
| Postulates, or axioms | The basic properties of mathematics that mathematicians accept without proof. |
| Theorems | A statement that can be proven to be true. |
| Conjecture | A statement that is thought to be true but is not yet proved. Often it is a statement based on observation. |
| Indirect Proof | A type of proof where it is first assumed that the statement is false. |
Created by:
dhmahlman
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