Chapter 1 Vocab
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Created by:
ereynolds3 on August 23, 2010
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37 terms
Terms | Definitions |
|---|---|
 natural numbers | 1, 2, 3, 4... |
| whole numbers | 0, 1, 2, 3.... |
| integers | -3, -2, -1, 0, 1, 2, 3... |
| rational numbers | -1/2, 7, 3.25 |
| irrational numbers | pie, square roots.... |
| real numbers | any number |
| coordinate | each point on a number line or graph is paired with exactly two real numbers |
| graph | each number is paired with a point on a number line, called a... |
| origin | The graph of 0 |
| is less than | < |
| is greater than | > |
| absolute value | the distance between the graph of a number and the origin on a number line. |
| numerical expression | symbol or group of symbols used to represent a number |
| numeral | synonym for number |
| value of an expression | number represented by the expression |
| equation | a sentence formed by placing a = between two expression |
| inequality | a sentence formed by placing a<, >, or an unequal sign between two expressions |
| sum | results of adding numbers |
| term | the numbers added together to reach a sum |
| difference | result of subtracting one number from the other |
| product | result of multiplying numbers |
| factor | the numbers multiplied to reach a product |
| quotient | results of dividing one number by another |
| power | product of equal factors |
| base | repeated factor when in use with a power |
| exponent | the number of times to multiply a base by when being raised to a power |
| simplifying an expression | to replace an expression with the simplest or most common symbol having the same value |
| evaluating an expression | finding the value of the expression |
| variable | symbol used to rpresent any member of a given set |
| domain | a given set of numbers that can replace the variable |
| values of a variable | members of the domain of the variable |
| algebraic expression | a numerical expression, a variable, or a sum, difference, product, or quotient that contains one or more variables |
| open sentence | equation or inequality with variable |
| solution or root | any value or variable that make open sentence true and to satisfy it |
| solution set | set of all solutions to an open sentence |
| Equivalent Equations | equations having the same solution set |
| solving an equation | transforming an equation into simpler equivalent whose solution set is clearly stated |
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