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Vocab terms unit 3
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Gravity
Terms in this set (15)
Proportion
An equation that states that two ratios are equal
Constant of Proportionality
A constant ratio of two variables related proportionally
Percent of change
The amount stated as a % that a number increases or decreases by
Proportional relationship
A relationship between two quantities where the relation of one to another is constant y=kx
Unit Rate
A rate in which the 2nd quantity is one unit
Percent
per hundred
Ratio
A comparison of two numbers ex) 5:2
Simple Interest
I= prt ( additional $ profited or owed from the initial amount)
principal
The initial amount of $ borrowed or invested
% proportion
%/100 = is/of
rate
A ratio that compares two quantities in different units.
equivalent ratios
ratios that name the same comparison
constant
a value that does not change k=y/x
cross products
The product of the #'s on the diagonal of a proportion
rate of change
A ratio that describes how one quantity changes in relation to another quantity
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