+0  
 
+1
131
2
avatar

For what negative value of k is there exactly one solution to the system of equations \(\begin{align*} y &= 2x^2 + kx + 6 \\ y &= -x + 4? \end{align*}\)

 Oct 4, 2019
 #1
avatar+2847 
+2

Substitute and simplify

 

2x+ (k+1)x + 2

 

 

There is exactly one solution when the discriminate is equal to 0.

 

That is my hint and I will let you solve.

 Oct 4, 2019
 #2
avatar
+2

ok thx

Guest Oct 4, 2019

21 Online Users

avatar