# Chapter 11 Vocab.

### 23 terms by Eve7

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### arithmetic sequence

a sequence in which the difference between any 2 consecutive terms is the same

### best-fit line

A line that is very close to most of the data points in a scatter plot.

### boundary

a line that seperates the solutions from the points that are not solutions in the graph of an inequality.

### common difference

the difference between any 2 consecutive terms in a sequence.

### common ratio

the quotient between any 2 consecutive terms in a geometric sequence.

### dependent variable

the variable for the output of a function.

### domain

the set of input values in a function.

### function

a relation in which each element of an input is paired with exactly one element of the output according to a specified rule.

### function table

a table organizing the input, rule, and output of a function.

### geometric sequence

a sequence in which the quotient between and 2 consecutive terms is the same (multiplying).

### half plane

The region that contains the solutions in the graph of a linear inequality.

### independent variable

the variable for the input of a function.

### linear function

a function in which the graph of the solutions forms a line.

### range

the set of output values in a function.

### scatter plot

a graph that shows the relationship between two sets of data

### sequence

an ordered list of numbers that such as 1,2,and 3.

### slope formula

m = (y2 - y1) / (x2 - x1)

y=mx+b

### substitution

a method used for solving a system of equations that repleces 1 variable in 1 equation with an expression derived from the other equation.

### system of equations

a set of 2 or more equations that are considered together.

### term

a number in a sequence.

### x-intercept

the value of x where the graph crosses the x-axis.

### y-intercept

the value of y where the graph crosses the y-axis.

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