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Algebra A Ch 1
Stepp's Algebra A Glencoe Ch 1 The Language of Algebra
| term | definition |
|---|---|
| Algebraic Expression | expression with one or more numbers and variables and one or more operations |
| coefficient | the number in front of a variable |
| factors | quantities being multiplied |
| product | the result of multiplying |
| quotient | the result of dividing |
| equation | mathematical sentence containing an equals sign |
| numerical expression | contains a combination of numbers and one or more operations (no variables) |
| order of operations | must be followed to get the correct answer |
| properties | statements that are true for any number |
| evaluate | replace the variables with known values and compute the answer |
| additive identity property | adding zero does not change any number |
| multiplicative identity property | multiplying by one does not change any number |
| multiplicative property of zeo | anything times zero is zero |
| commutative property of addition | it is O.K. to switch the order when adding |
| associative property of addition | it is O.K. to switch the way parentheses goup numbers that are being added |
| simplify | perform as many of the calculations as you can |
| associative property of multiplication | the way three numbers are grouped with parentheses does not affect the answer |
| closure property of whole numberfs | sums or products of whole numbers always make answers that are whole numbers |
| counterexample | a case that shows a statement is not true |
| whole numbers | 0,1,2,3,4,5,.... |
| distributive property | is used to simplify expressions by getting rid of the parentheses |
| coefficient | the numerical part of a term (the number in front of the variables) |
| Like terms | terms that have the exact same variables and powers |
| term | a number, a variable, or a product or quotient of numbers and variables |
| equivalent expressions | have the same value |
| simplest form | an expression that has no parenthesis and no like terms |
| formula | an equation that states the relationships between variables |
| data | information gathered for statistical purposes |
| sampling | a method for gathering data to represent a population |
| population | all the members of a certain group |
| frequency table | a method of organizing data in a table with tally marks |
| sample | a group that is smaller than and represents the whole population |
Created by:
criswell216
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