We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
163
1
avatar+80 

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

 Dec 26, 2018
 #1
avatar+103131 
+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

9 Online Users

avatar