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# MTTC - Elementary Ed

### Algebra Concepts

something that follows a particular rule mathematical pattern
symbol that represents an unknown number variable
fixed quantity that cannot change constant
a number that multiplies a variable ex: 5y coefficient
a string of numbers, mathematical operations, and an equal sign that tells you a math fact number sentence
mathematical phrase that may include numbers, variables, and operators basically like a sentence algebraic expression
constants, variables, and products of constants and variables terms
individual terms that have the same variable like-terms
the process of simplifying expressions by joining terms that have the same variable combining like-terms
the steepness of a line; measures steepness of objects slope
y=m x + b m=slope (if no number, then slope=1); b= y-intercept equation of a line
a set of descriptive measures that indicate the typical score measures of central tendency
the average mean
"most often"; 2 or more numbers occurring at the same time (so report both) mode
the complete collection to be studied population
a section/part of the population anywhere from 1%-99% of population sample
finding the probability of a single event occurring # of favorable outcomes/# of total outcomes probability of simple events
involve the probability of more than one event happening together # of favorable outcomes/# of total outcomes (multiply the probabilities together) compound events
events that add together to equal a whole or one complementary events
events that don't affect the outcome independent events
events that affect the outcome dependent events
probability using a logical approach to theorize how likely it is that a given situation will occur # of favorable outcomes/# of probable outcomes theoretical probability
devises tests and experiments whose results are used to determine probability experimental probability
express the likelihood of an event through the use of numbers between 0 & 1 probability values
Created by: jmeeker
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