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Math vocab Ch. 2
| Question | Answer |
|---|---|
| dimensional analysis | the process of carrying units throughout a compution |
| equivalent equations | equations that have the same solution |
| formula | an equation that states a rule for the relationship between two quantities |
| identity | an equation that is true for every value of the variable |
| multi step equation | equations with more than one operation |
| percent of change | when an increase or a decrease is expressed as a percent |
| proportion | an equation of the form A over B equals C over D. It states that two ratios are equvalent |
| rate | the ratio of 2 measurements having different units of measure |
| ratio | a comparison of 2 numbers by division |
| scale model | a model used to represent an object that is to large or to small to be built in actual size |
| solve an equation | the process of finding all values of the variable that make the equation true |
| unit rate | a ratio of 2 quantities and the 2nd of which is one unit |
| 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 represented by m |