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Morris A2C1

Morris Alg 2 Chap1 Vocab

Variable ... is a symbol that can be replaced by any set of numbers or other objects.
Algebraic Expression Numbers and variables combined with operators
Algebraic Sentence Algebraic expressions connected with a verb (=,<,>...)
Equation A sentence stating 2 expressions are equal.
Formula An equation stating that a single variable is equal to an expression with one or more different variables on the other side.
Dependent Variable A variable whose value always depends on the value(s) of another variable.
Independent Variable A variable upon whose value other variables depend.
A Function ...is a pairing between two variables such that the value of the first variable corresponds to exactly one value of the second variable.
Domain Allowable values for the x(first) variable.
Range Allowable values for the y(second) variable.
Input The values of the independent variable.
Output The values of the dependent variable.
Natural numbers {1, 2, 3, 4, 5, ...} Also called counting numbers.
Whole numbers {0, 1, 2, 3, 4,...}
Integers {...-3, -2, -1, 0, 1, 2, 3, ...}
Rational numbers The set of numbers represented by a fraction or ratio.
Real Numbers The set of all numbers that can be written as decimals.
Function (2) A relation in which no two different ordered pairs have the same first coordinate.
Relation Any set of ordered pairs.
Pitch The measure of the steepness of the slant of the roof. P = R/(.5S)
Term Each number in a sequence.
Subscript A value or variable written below and to the right of a variable. Also called an index.
Index It indicates the position of the term in the sequence. Also called a subscript.
Sequence An ordered list.
Recursive formula/definition A set of statements that indicates the first term (or first few terms), and tells how the nth term is related to one or more of the previous terms.
Created by: cmorris99