How Do You Find A Rate Of Change?

8 Answers

Anonymous Profile
Anonymous answered
Slope= rise/run= changes in y/changes in x
= y2-y1/x2-x1 (find the differences and then divide) Remember it does not matter if y2-y1 or y1-y2, as long as you use the same order to set up y/2
ex. = -6-(-3)/2-(-4) = -9/6 or -3/2
Oddman Profile
Oddman answered
"Rate of change" is a term that often is used to refer to the amount of change in a given time. Often, it is normalized to a particular unit of time.

A change of 4 ft in 2 hours, for example, might be said to be a rate of change of 2 ft per hour. Climate change is sometimes expressed in terms of the rate of change of sea level (so many centimeters per century) or average temperature at some location (so many degrees per century).

The term "rate of change" can also refer to changes that occur with respect to some other independent variable. A rate of elevation change, for example, is usually referred to a particular horizontal distance. An example of such a rate might be 1000 ft per mile.

If the units of the change and the corresponding independent variable are the same, then the rate of change can sometimes be conveniently expressed as a percentage. The rate of change of prices, for example, is often expressed this way. A price that goes up $0.10 on an item that was originally $1.00 is said to change by 10%. If that change occurs over a period of 5 years, then the rate of change might be expressed as 2% per year.
Janey Profile
Janey answered
It's a branch of maths that measures how a function changes as its input changes.
Anonymous Profile
Anonymous answered
Rate of change=vertical change
  ------  
  horizontal change

1)use two points
2)divide the vertical change by the horizontal change
3)simplify.
chen lyfen Profile
chen lyfen answered
The rate of change means : The rate of money when we change it with other countries'. It tells the prix of it with changing.
Asad Ali Profile
Asad Ali answered
The Rate Of Change in Algebra is known as the slope.Its function is

slope = vertical change/ Horizontal change

vertical change= y2-y1 and Horizontal change= x2-x1

(x1,y1) , (x2,y2) are co ordinates .

The Rate Of Change is also known as derivative.

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