MathNation Unit 3 Vocabulary Flashcards

Front

line

Back

a straight path that extends infinitely in both directions

Front

domain

Back

the complete set of possible values for the input of a function or relation; x-values of a function; may vary depending on the context

Front

range

Back

the complete set of possible values for the output of a relation or function; the y-values of a function

Front

domain and range of a linear relationship

Back

will always mathematically be all real numbers

Front

intercept

Back

the value of a variable when all other variables in the equation equal 0; the value where a graph of a function crosses an axis

Front

positive slope

Back

a x-values increase, y-values increase

Front

negative slope

Back

a x-values increase, the y-values decrease

Front

horizontal line

Back

graphed from left to right; has a slope of 0; can be written as y=(any number)

Front

vertical line

Back

graphed up and down; has an undefined slope; written as x = (some number) because it is not a function

Front

viable

Back

describes a key feature that is feasible or reasonable in a real-world context