absolute value equation
Equation whose graph forms a V that opens up or down
equation of the form ax² + bx + c = 0, where a ≠ 0
an equation whose graph forms a straight line.
data where numbers between any two data values have meaning.
data that involve a count of items.
constant of variation for direct variation
the nonzero constant k in the function y = kx.
a linear function that can be expressed in the form y = kx, where k =/ o.
any set of ordered pairs.
a relation that assigns exactly one value in the range to each vale of the domain.
vertical line test
a method used to determine if a relation is a function or not. If a vertical line passes through a graph more than once, the graph is not the graph of function.
to write a rule in function notation, you use the symbol f (x) in place of y.
the possible values of the output, or dependent variable, of a function.
the possible values for the imput, or the independent variable, of a function.
a variable that provides the input values of a function.
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