+0  
 
0
49
1
avatar

Find the coordinates of the vertex of the following parabola algebraically.  Write your answer as an (x,y) point.

 

y = x^2 + 2x + 8.

 Sep 24, 2021
 #1
avatar+35059 
+2

Re-arrange to vertex form by 'completing the square'  for 'x'

 

y   =  (x+1)2  +7         vertex = -1,7

 Sep 24, 2021

31 Online Users

avatar
avatar