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What is the minimum value of a^2+6a-7

 Dec 26, 2018
 #1
avatar+98005 
+1

The value of "a" that minimizes this is given by   --6 / [ 2 * 1 ] =  -/2 = -3

 

Putting this value back nito the function we get

 

(-3)^2  + 6(-3) - 7  =

 

9 - 18 - 7 =

 

9 - 25  =

 

-16  =   minimum value

 

 

cool cool cool

 Dec 26, 2018

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