**TI83F* AppVariable file 04/03/07, 10:24y h GLM301h f nav CBD1EB6C7C194582A7A527AA737FADAEGLM301.GLM3011  absolute value°absolute value:ÖThe absolute value of a number a is its distance from zero on a number line and is represented by | a |.ÖExample:ÖThe absolute value of Ö-2 is 2, or | -2 | = 2. additive inverse—additive inverse:ÖA number that when added to a given number results in a sum of zero.ÖExample:ÖThe additive inverse of Ö4 is -4 because Ö4 + (-4) = 0. algebrapalgebra:ÖA mathematical language that uses symbols, usually letters that stand for unknowns, along with numbers. algebraic expressionalgebraic expression:ÖAn expression consisting of one or more numbers and variables along with one or more arithmetic operations.  conjectureFconjecture:ÖA conclusion reached that is based on inductive reasoning.  coordinateDcoordinate:ÖThe number that corresponds to a point on a number line. counterexample?counterexample:ÖA specific case which proves a statement false. equationgequation:ÖA mathematical sentence stating that two expressions are equal.ÖExample: Ö3 (7 + 8) = 9 6  evaluate*evaluate:ÖFind the value of an expression.   inequalityZinequality:ÖAn open sentence that uses the symbolÖ<, , >, or  to compare two quantities.  integersSintegers:ÖThe set of whole numbers and their oppositesÖ{..., -2, -1, 0, 1, 2, ...}.  inverse operations¬inverse operations:ÖPairs of operations that undo each other.ÖExamples:ÖAddition and subtraction are inverse operations. Multiplication and division are inverse operations.  negative number3negative number:ÖAny number that is less than zero. numerical expression’numerical expression:ÖA mathematical expression that has a combination of numbers and at least one operation.Ö4 + 2 3 is a numerical expression.  opposites@opposites:ÖEvery positive rational number and its negative pair. order of operationsØorder of operations:Ö1. Evaluate expressions inside grouping symbols.Ö2. Evaluate all powers.Ö3. Do all multiplications and/or divisions from left to right.Ö4. Do all additions and/or subtractions from left to right. positive number6positive number:ÖAny number that is greater than zero. powerpower:ÖAn expression of the form x^n, read x to the nth power. ÖExample: 7^4 is 7 raised to the fourth power, or 7 7 7 7. property@property:ÖA statement that is true for any numbers or variables. solution£solution:ÖA replacement value for the variable in an open sentence. A value for the variable that makes an equation true.ÖExample: The solution of 12 = x + 7 is 5. solve an equationlsolve an equation:ÖThe process of finding all values of the variable that make an equation a true statement. variableTvariable:ÖA letter or other symbol used to represent an unspecified number or value.<ë