+0  
 
0
61
2
avatar+6 

One root of x^2 + 12x + k = 0 is twice the other root. Find k.

 Jan 27, 2021
 #1
avatar
-1

By the quadratic formula, k = 8.

 Jan 27, 2021
 #2
avatar+31716 
0

"One root of x^2 + 12x + k = 0 is twice the other root. Find k."

 

 Jan 28, 2021

39 Online Users

avatar