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 | a function of the form f(x) = |mx+b| + c
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| dependent variable | the value of y depends on the value of x
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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 | of a relation is the set of all inputs, or x- coordinates of the ordered pairs
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| function | is 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 of x
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| independent variable | because the value of y depends on the value of x
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| linear equation | y=3x + 2
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| linear function | A function whose graph is a line
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| linear inequality | is an inequality in two variables whose graph is region of the coordinate plane that is bounded by a line
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| mapping diagram | which links elements of the domain with corresponding elements of the range
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| parent function | is the simplest function with these characteristics
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| point-slope-function | y -- y1 = m(x- x1)
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| range | of the relation is the set of all outputs, or - coordinates of the ordered pairs
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| reflection | in the x- axis changes y- values to their opposites
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| relation | is a set of pairs of input and output values
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| scatter plot | is a graph that relates two different sets of data by plotting the data as ordered pairs
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| shrink | reduces y-values by a factor between 0 and 1
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| slope | of a non vertical line is the ratio of the vertical change to a corresponding horizontal change
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| slope |
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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.
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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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