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Vocab terms proportional relationships

Terms in this set (14)

Proportion
An equation that states that two ratios are equal
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
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
radius
A line that goes from the middle of the circle to a point on the circle.
diameter
A straight line passing from one point of a circle to another point on the circle that passes through the center.
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