Chapter 2 Vocab Flashcards
Multi step equations
Equation requires more than one step to solve
Means
Are the middle terms of the portion
Number theory
Study of numbers and the relationship between them
Percent of change
The ratio of the change in an amount to the original amount expressed as a percent
Percent of decrease
A new number is less than the original number
Percent of increase
New number is greater than the original number
Proportion
Equation starting two ratios are equal
Ratio
Comparison of two numbers by division
Rate
Ratio of two measurements having different units of measurement
Unit rate
A rate that tells how many of one item is being compared to one of other items
Scale
A rate thats used to make a model
Scale model
Two large or too small to be convenient at actual size
Weighted average
M of a set of data is found by multiplying each data value by its weight then finding the mean of the new data set
Unit analysis
Process of caring units to a computation
Solve an equation
Means to find the value of the variable that makes a equation true
Literal equations
And equation that solve several variables
Identity
Equations are true for all values of the variable
Formula
A rule for the relationship between certain quantities
Extremes
They are the first and last terms of the proportion
Equivalent equations
Have the same solution
Dimensional analysis
Is the process of caring units through a computation
Consecutive integers
Integers and counting order such as 4,5, and 6 or n+n+1, and n+2
