SOLUTION: Is this function linear, quadratic or exponential and what is the formula? X= 0 y=5 -1. 10 -2. 20 -3. 40 -4. 80

Algebra ->  Linear-equations -> SOLUTION: Is this function linear, quadratic or exponential and what is the formula? X= 0 y=5 -1. 10 -2. 20 -3. 40 -4. 80       Log On


   

Question 970889: Is this function linear, quadratic or exponential and what is the formula?
X= 0 y=5
-1. 10
-2. 20
-3. 40
-4. 80
Found 2 solutions by jim_thompson5910, stanbon:
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
This is exponential because the y values are doubling each time.

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Is this function linear, quadratic or exponential and what is the formula?
X= 0 y=5
-1. 10
-2. 20
-3. 40
-4. 80
-----
I ran a regression program to find least-squares
best equation for the data::
The result was y = 5.71x^2 -4.86x+6.43
Ans: Quadratic
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Cheers,
Stan H.
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