Analyze proportional relationships and use them to solve real-world and mathematical problems.
Vocabulary Ratio and Proportional Relationships
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commission |
percent add to total salery |
compound interest |
interest paid on both the principal and interest already made on the principal
|
constant of variation |
the same amount that is used with every ratio to make them proportional
|
convert |
change to a different form (different label) |
corresponding
|
having the same relative position in 2 different figures (matching parts on 2 figures)
|
customary |
US system of measurement |
data pairs |
ratios in a table
|
direct variation
|
2 quantities are directly proportional if one is a constant multiple of the other
|
discount |
percent off the original cost |
equivalent ratio |
when 2 ratios have the same value when simplified |
estimate |
approximate answer |
fibonacci sequence
|
sequence in which the first 2 terms are 1 and the 3rd term is the sum of the prior 2 terms
|
Golden Ratio
|
the ratio of the length of the long side to the length of the short side
|
inverse variation |
when the variable y varies inversely as x
|
mark up |
percent added to the original cost |
metric |
universal system of measurement
|
n-to 1-ratio
|
a number to 1, a:b can be converted to this by dividing a by b
|
numerical rate |
the rate written using numbers (the way we write it in math) |
part-to-part ratio
|
compares part a whole to another part of the same whole
|
part to whole ratio
|
compares part of a whole to the whole
|
percent |
out of 100
|
percent of change |
find the difference of 2 numbers divided by the original number |
product |
multiple |
proportion |
when 2 ratios are written as fractions and form an equation that makes the ratios equivalent |
proportional relationship |
use a table or graph to compare 2 items and write them as a ratio
|
rate |
ratio where 1 quantity is measured to a different unit (per one- often time)
|
ratio |
comparison of 2 numbers or measures
|
rational |
real number written as a ratio in which the denominator is not a zero
|
scale factor
|
The ratio of 2 corresponding lengths in 2 similar figures
|
similar figures
|
figures that have the same shape but not necessarily the same size
|
simple interest |
interest= rate x time
|
slope |
change in "y" over the change in"x"
|
table |
chart used to organize information so you can check for constant of variation and direct variation |
tax |
percent added to the cost of item |
total |
sum of all items |
unit rate |
a rate in which the 2nd term is ONE unit
|
value |
amount |
verbal rate |
the rate spelled out in words (the way you say it) |