functions and graphs
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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The symbol f(x) is read ? | f of x
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Is x = c (is vertical line) a function? | No x = c is a graph of a vertical line and does not define a function.
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What is the square root of -√16 | -4
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What is the square root of √-25 | √-.25 is not a real number
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for a function f(x) = - |x| can the value of f(x) be positive? | No.
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Is f(x) = √x a straight line? | No.
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The function (f(x) = x² + 4 crosses the y axis at ? | y = 4
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Ax + By = C is referred to as the | Standard Form
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y = mx + c is referred to as the | Slope form
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If the gradient of a line id given by m=5, what is the gradient perpendicular to it? | - 1/5
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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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Created by:
hivee
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