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9th Grade: Functions Proportional to the Square (y = ax²) – Rate of Change and Domain

Author: OshinokoExecutions: 480
TOP/Shared Formulas (Math)/Education

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This calculator computes the rate of change and the range of y for y = ax². Please enter the range of x (called the domain) and the proportional constant.
It displays the rate of change as well as the "increments of x and y."
The rate of change is calculated as the change in y divided by the change in x. For more details, just search online. You’ll find explanations that are easy to understand.
Domain of x
≦x≦
Function y=
x²
Rate of Change 
Increment of y 
Increment of x 
Domain of y  ＜y < 
There’s a handy formula for this~ Actually, for a function of the form y = ax², the rate of change when b ≤ x ≤ c is a(b + c)—in other words, you can find it by adding the end values of x and multiplying by the constant of proportionality. This will save you time on tests!

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