NGC DB algebra voc 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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| Two numbers with something in common: can be compared and written as a fraction | ratio
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| to enlarge or shrink something | dilation
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| to make a shape or object larger or smaller by multiplying it by a number | scale factor
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| a shape or object that has the same proportions, but may be a different size | similar figure
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| a five sided, two-dimensional figure | pentagon
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| a four sided, two-dimensional figure with four right angles | rectangle
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| to create a new shape by reflecting an image across a line: a mirror image | reflection
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| to move a shape a certain amount on a coordinate plane | translation
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| (x,y)----(x+4,y-3) | translation
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| (x,y) ----(3x,3y) | dilation
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| (x,y) ----(x,-y) | reflection over the x axis
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| (x,y) ---(-x,y) | reflection over the y axis
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| figures with the same size and shape. | congruent
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| a relationship between two ratios with the a constant rate or ratio. | proportion
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| formula for scale factor | new/old
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| horizontal axis | x axis
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| vertical axis | y axis
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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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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:
garlandg
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