13.3.1 Rates, Ratios, and Proportions Flashcards

1
Q

ratio

A

a comparison of two quantities by division

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2
Q

proportion

A

a statement that two ratios are equivalent

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3
Q

rate

A

a ratio of two quantities with different units

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4
Q

unit rate

A

a rate with a second quantity of 1 unit

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5
Q

conversion factor

A

a rate in which the two quantities are equal but use different units

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6
Q

cross products

A

in the proportion a/b = c/d, the products a · d and b · c

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7
Q

scale

A

a ratio between two sets of measurements

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8
Q

scale drawing or scale model

A

uses a scale to represent an object as smaller or larger than the actual object

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