# ALGEBRA 1B FINAL EXAM VOCABULARY

### 14 terms by mzahansky

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### 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

### linear equation

an equation whose graph forms a straight line.

### continuous data

data where numbers between any two data values have meaning.

### discrete data

data that involve a count of items.

### constant of variation for direct variation

the nonzero constant k in the function y = kx.

### direct variatio

a linear function that can be expressed in the form y = kx, where k =/ o.

### relation

any set of ordered pairs.

### function

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.

### function notation

to write a rule in function notation, you use the symbol f (x) in place of y.

### range

the possible values of the output, or dependent variable, of a function.

### domain

the possible values for the imput, or the independent variable, of a function.

### independent variable

a variable that provides the input values of a function.

Example: