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bauer/joint vocab 1
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Term | Definition |
---|---|
similar figures | same shape but different sizes; corresponding sides are in proportion |
scale factor | the ration of any 2 corresponding lengths in 2 similar figures |
unit rate | a rate with a denominator of 1 |
slope | the rate of change between any two points on a line; the steepness of a line; rise over run |
ratio | a way to compare quantities using division |
rate of change | a rate that describes how one quantity changes in relation to another; usually a unit rate |
rate | a ratio of 2 quantities having different kinds of units; example miles per hour |
proportion | an equation stating 2 ratios or rates are equivalent |
constant rate of change | the rate of change in a linear relationship |
nonproportional | the relationship between two quantities that do not have a constant ratio |
equivalent ratios | two ratios that have the same value |
proportional | two quantities that have a constant ratio |
direct variation | the relationship between two variable quantities that have a constant ratio; another term for proportional |
constant of variation | also known as the constant of proportionality |
constant of proportionality | a constant ratio or unit rate of two quantities that are proportional |
complex fractions | fractions with a numerator that is a fraction, a denominator that is a fraction, or both that are fractions |
unit price | divide the price by the unit of measure (the quantity) |