proportion relationships Flashcards
vocab
complex fractions
a fraction in which the numerator is a fraction,the denominator is a fraction, or both the numerator and denominator are fractions.
Constant of proportionality
The unit rate in a proportional relationship
Convert
To write an equivalent measurement using a different unit
Dependent variable
A variable whose value depends on the value of a related independent variable
Equivalent
having the same value
Equivalent ration
two rations that express the same comparison
independent variable
a variable whose value is used to find the value of another variable. An independent variable determines the value of a dependent one
Proportional relationships
Relationship between two quantities where one quantity is a constant multiple of the other quantity
rate
a ratio tells the number of units or one quantity for 1 unit of another quantity
ratio
a way to compare two quanities
reciprocal
for any nonzero number a, the reciprocal is 1/a
scale
tells the relationship between a length in a drawing,map, or model to the actual length
scale drawing
a drawing in which the measurements correspond to the measurements of the actual object by the same scale
scale factor
the factor you multiply all the side lengths in a figure by to make a scale copy
Unit rate
the numerical part of a rate. for the ratio a:b , the unit rate is the quotient a/b