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Chapter 2
Algebra I Vocabulary
Question | Answer |
---|---|
Formula | a rule that states the relationship between 2 or more quantities. |
consecutive integers | 2 or more integers in counting order (example: 4,5,6) |
number theory | the study of numbers and the relationship between them. |
identities | equations that are true for all values of the variable |
absolute value | the distance a number is from zero on a number line |
ratio | a comparison of two numbers by division |
proportion | an equation stating that two ratios are equal. |
means | the middle terms in a proportion |
extremes | the outer terms in a proportion |
rate | a ratio that compares two quantities with different units of measure |
unit rate | compares a certain number of one item to just one of another item |
scale model | a 3D reproduction that has been reduced or enlarged proportionally |
percentage of change | difference/original |
literal equation | a formula that involves several variables |
unit analysis | the process of carrying units throughout a computation |
weighted average | the sum of the product of the number of units and the value per unit divided by the sum of the number of units |
mixture problems | situations where two or more parts are combined into a whole |
rate problems | situations in which objects move at a certain speed |