| A | B |
| equation | math sent. stating 2 quantities are = & written as 2 expressions separ. by an = sign. |
| Any ___ of the alphabet can be used to represent a variable. | letter |
| Equals, is, and is equal are: | all terms used for the equal sign. |
| Subtracting a negative is the same as: | adding the opposite. |
| b and -b are: | opposites. |
| Subtraction is the same as: | adding the opposite. |
| Recheck your work by replacing the: | variable w/your answer and solve the problem. |
| literal equation | an equation that has only letters. |
| constant | specific real number. |
| pythagorean theroem | in a rt. triangle length of the hypotenuse sq'd is = to length of side b sq'd & length of side a sq'd. |
| right triangle | a three-sided figure, or triangle, with one right, or 90 degree, angle. |
| hypotenuse | the longest side in a right triangle. |
| graphing | showing on a number line the relationship of a set of numbers. |
| equality | the state of being equal; shwon by the equal sign. |
| inequality | the stae of being unequal; shown by the less than, greater than, or unequal sign. |
| disjunction | a compound statement that uses the word or to connect two simple statements. |
| truth table | a table of true and false values. |