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
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| dependent variable | because the value of y depends on the value of x,y
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| direct variation | a linear function defined by an equation of the form y= kx where k=0
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| domain | a relation is the set of all inputs ,or x-coordinates of the ordered pairs
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| functions | a relation in which each element of the domain is paired with exactly one element in the range
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| function notation | f(x) as "f of x "or "a function f of x"
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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 bounced by a line
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| parallel lines |
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| perpendicular lines |
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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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