Algebra Quarter Test
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20 terms
Terms | Definitions |
|---|---|
 Variable | A symbol used to represent one or more numbers. |
| Domain | A set of numbers which can replace a variable in an equation. Ex. {1,2,3,4,5} |
| Open Sentence | A sentence containing one or more variables. |
| Add | other words- total,more than, plus, increased by, combined, sum, and with. |
| Subtract | other words- difference, take away, less than, less, minus, decreased by,. |
| Mutliply | other words- volume, twice more, product, times, of, by, area. |
| Divide | other words- half, quotient, grouped, fraction, per. |
| opposite | A number on the opposite side of zero whose difference from zero is the same as the given number. |
| Grouping Symbols | Symbols that indicate the steps that are performed fist in an equation. |
| Number Line | a real number set on a line from least to greatest. |
| Closure property | a+b= a real unique number |
| commutative property | a+b=b+a |
| multiplicative prop of -1 | a x -1= -a |
| distributive property | a(b+c)= ab=ac |
| Identity prop of addition | a+0= a |
| Reflexive Prop | a=a |
| Division | a/b= a/1 x 1/b |
| zero product prop | ab=0 then a=0 and b=0 |
| transitive prop | a=b and b=c then a=c |
| graph | the number line put into a grid format |
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