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Math Vocab Chapter 7
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Gravity
Terms in this set (15)
Ratio
A comparison of two quantities by division
Proportion
An equation that states that two ratios are equivalent
Rate
A ratio that compares two quantities measured in diffrent units
Unit Rate
A rate in which the second quanity in the comparison is one unit rate.
Unit Price
A unit rate used to compare prices
Conversion Factor
A fration whose numerator and denominator represent the same quantity but use different units; the fraction is equal to 1 because the numerator and denominator are equal
Dilation
A transformation that enlarges or reduces of a figure.
Scale Factor
The ratio used to enlarge or reduce a similar figure
Center of Dilation
The point of intersection of lines from all angles in a dilation
Similar
Figures with the same shape but not necessarily the same size similar
Scale Drawing
A drawing that uses a scale to make an object smaller than (a reduction) or larger than ( an enlargment) the real object
Scale
The ratio between to sets of measurements
Reduction
A decrease in a size of all dimensions.
Enlargement
An increase in size of all dimensions in the same proportions
Scale model
A proorional modle of a three dimensional object
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