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Algebra 1 Vocabulary

TermDefinition
Variable A letter or symbol to represent an unknown quantity
Constant Any number that does not have a variable or does not change
Coefficient The number in front of a variable
Expression A math phrase with numbers, variables, and operations but no equal sign
Equation A math statement that shows two expressions are equal
Inequality math statement that compares two expressions using <, >
Like Terms Terms that have the same variable or same variable to the same degree/exponent
Function A rule where each input has exactly one output
Slope A function's rate of change, how steep the graph is, (rise over run)
Y-Intercept Where a function crosses the y-axis (when x=0)
Standard Equation of a Line y=mx+b
Point-Slope Form y-y1=m(x-x1)
Domain The set of all x values that a function takes on; written as an ordered pair
Range The set of all y values that a function takes on; written as an ordered pair
Input a value that you plug in for "x" in a specific function
Output The result of plugging in a number for "x"
Created by: user-2041115
 

 



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