Vocabulary STAAR Practice 2 of 3
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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| Dependent Variable | the output variable (y) whose value in a function is determined by the input variable (x)
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| Independent Variable | the input variable (x) whose value in a function affects the output variable (y)
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| Negative Slope | if the line goes down and to the right on a graph
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| Zero Slope | (y = #) is a horizontal line
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| Slope | A measure of steepness of a straight line defined as rise over run
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| Undefined Slope | (x = #) is a vertical line
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| y-intercept | where the line or parabola crosses the y-axis
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| Δx | indicates change in the domain
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| Δy | indicates change in the vertical axis
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| Line of Best Fit | a line drawn through or near data points that most accurately represents a set of data
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| Linear Function | Data sets that have a constant rate of change and form a straight line, have x as the input variable where x is raised only to the first power
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| Point-Slope Form | equations written as y-y1=m(x-x1)
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| Slope-Intercept Form | y = mx + b, where m= slope b = y intercept and (x , y) shows the coordinate of a point on the line
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| Standard Form | ax + by = c where a, b and c are integers
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| Infinitely Many Solutions | linear systems of equations that have an infinite number of solutions are the same line
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| No solution | when a system of equations do not have an intersection
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| System | equations that you solve at the same time
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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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Created by:
SuzyMahoney
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