Math VOcab ch1
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Created by:
emily2 on September 26, 2010
Subjects:
math vocabulary, mathematics, chapter 1, grade 8
Description:
CH 1 MATH VOCAB
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21 terms
Terms | Definitions |
|---|---|
 coefficient | the numerical factor of a term |
| conditional statement | if a then b, has two parts, a hypothesis and a conclusion |
| continuous function | a function graphed w/ a line or smooth curve |
| coordinate system | the grid formed by the intersection of two number lines, the horizontal axis and the vertical axis |
| counterexample | specific case in which the hypothesis is true but hte conclusion is false |
| deductive reasoning | the process of using facts, rules, and definitions to reach a valid conclusion |
| dependent variable | a variable in a relation with a value that depends on the value independent variable |
| discrete function | graph that consists of points that are not connected |
| domain | set of first numbers of ordered pairs |
| function | relation in which each element of the domain is paired with exactly one element of the range. |
| hypothesis | part of a conditional statement immediately following the word if |
| independent variable | varaible in a function with a value that is subject to choice |
| inequality | open sentence that contains the symbols: <,≤,> or ≥ |
| like terms | terms that contain the same variables, with corresponding variables having the same exponent |
| open sentence | mathematical statement with one or more variables |
| order of operations | PEMDAS-rule to know which operation comes first in a numerical expression |
| power | expression like x^n is raised to the power of n |
| principal square root | nonnegative square root |
| range | second set of numbers of ordered pairs |
| solution set | (of open sentence) set of elements from the replacement set that make the open sentence true |
| variable | symbols used to represent unspecified numbers or values |
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