+0  
 
0
39
1
avatar

If we express 2x^2 + 6x + 11 in the form a(x - h)^2 + k, then what is h?

 Aug 8, 2021
 #1
avatar+34316 
+1

2x^2 + 6x + 11      do a little re-arranging

 

2 (x^2 + 3x)    + 11     now, complete the square for 'x'

2 (x+1.5)^2    - 4.5   + 11

2 (x+ 1.5)2  + 6.5                  Now you can see  h = - 1.5

 Aug 8, 2021

10 Online Users

avatar