Chapter 2 review
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| absolute value function | a function of the form f(x)=|mx+b|+c , where m = 0 , is am absolute value function
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| dependent variable | if a function is defined by an equation using the variables x and y , where y represents output values , then y is the dependent variable
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| direct variation | a linear function defined by an equation of the form y=kx , where k=0 , represents direct variation
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| domain | the domain of a relation is the set of all inputs , or x-coordinates , of the ordered pairs
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| function | a function is a relation in which each element of the domain is paired with exactly one element of the range
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| function notation | if F is the name of a function, the function notation f(x) also indicates the function name , but also represents a range value for the domain value x. you read the function notation f(x) as "f of x" a function of x". not that f(x) does not mean "f times
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| independent variable | if a function is defined by an equation using the variables x and y , where x represents input values , then x is the independent variable
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| linear equation | a linear equation in two variables is an equation that can be written in the form ax+by=c
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| linear function | a function whose graph is a line is a linear function . you can represent a linear function with a linear equation
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| linear inequality | a linear inequality is an inequality in two variables whose graph is a region of the coordinate plane that is bounded by a line. each point in the region is a solution of the inequality . a sign of < or > indicates a solid boundary line. a sign of < or >
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| mapping diagram | a mapping diagram describes a relation by linking elements of the domain with elements of the range
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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