# Course 2 Vocab Ch4 Equations

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### domain

the x values, in the left side of function table

### function

1) A relation where each number in the domain (x,input) is paired only 1 number in the range (y,answer) 2) Can be represented (1) as ordered pair (2) in a table (3) in a graph

### function table

a table with columns... x is the domain, y is the range then answer

### inequality

≥ (is greater than or equal) < ( is less than) > ( is greater than) ≤ ( is less than or equal)

### inverse operation

opposite of operation ex) add and subtract or multiply and divide

=

### equation

a math sentence with = ex) 26 = (n*7) + 5

### linear equation

1) A function that forms a line 2) Has 2 variables 3) variable have no exponent

### range

1) subtract high and low OR 2) the y value, in the right side of the function table

### slope

slope = Y/X; positive if it goes up and negative if it goes down

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+ and flip

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- and flip

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Example: