# Algebra Vocab CHP2

## Terms

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- The absolute value of a number N represented as |n|, is its distance from 0 on the number line
- Absolute Value
- any natural number or 0
- whole number
- every positive rational number and its negative pair
- opposites
- numbers that cannot be expressed as terminating or repeating numbers
- irrational numbers
- the ratio of the number of favorable outcomes for an event to the number of possible outcomes of the event
- probability
- the set {1,2,3...}
- natural number
- the ratio that compares the number of ways an event can occur (sucess) to the number of ways the event cannot occur (failure)
- odds
- a number line labeled with a scale to include all the data with an X placed above a data point each time it occurs
- line plot
- a number whose square root is a rational number
- perfect square
- How often a piece of data occurs
- Frequency
- numbers or pieces of data that can represent the whole set of data
- measures of central tendency
- outcomes for which the probability of each occuring is equal
- Equally Likely
- a display of data using certain digits as "stem" and the remaininf digit(s) as "leaves"
- stem & leaf plot
- the set {-2,-1,0,1,2}
- integers
- a number -C is square root of a if c to the 2nd = a
- square root
- real numbers consist of the rational numbers & the irrational numbers
- real number
- If the sum of 2 numbers or expressions is 0 they are additive inverses of each other
- Addivtive inverses
- a single event
- simple event
- a number that can be expressed as the ratio of two integers in the form a/b where b doesnt = 0
- rational number
- the nonnegative square root of a number
- perfect square root
- set of all possible outcomes of an experiment
- sample space