Algebra I Glossary
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rational expressiona fraction with a polynomial in the numerator and/or denominator | |
rational numbers (FIX)numbers that can be written as a ratio of integers (that is, as (ADD) where p and q are both integers and q ? 0) | |
raya half-line beginning at one point and continuing to infinity | |
real numbersthe set of numbers that includes both rational numbers and irrational numbers. | |
reciprocal (FIX)a number related to another number in such a way that when they are multiplied together their product is 1. For example, the reciprocal of 7 is (ADD) | |
relationthe relationship between variables that change together | |
repeating decimalsnumbers whose decimal parts repeat a pattern of one or more digits, these are all rational numbers | |
replacementrestoring a random situation back to its original state after performing an action | |
right trianglea triangle with one right angle | |
risevertical change between two points | |