SOLUTION: Find the value(s) of k such that the quadratic (k+1)x^2+2kx+2k=3(kx-1) has roots whose sum and product are equal. Thanks!

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Find the value(s) of k such that the quadratic (k+1)x^2+2kx+2k=3(kx-1) has roots whose sum and product are equal. Thanks!      Log On


   

Question 989424: Find the value(s) of k such that the quadratic (k+1)x^2+2kx+2k=3(kx-1) has roots whose sum and product are equal.
Thanks!
Answer by thesvw(77) About Me  (Show Source):
You can put this solution on YOUR website!
Next time use +
If roots are p and q.
%28k%2B1%29x%5E2%2B2kx%2B2k=3%28kx-1%29
%28k%2B1%29x%5E2+-kx%2B+%282k+%2B3%29=0
pq+=+p+%2B+q
c%2Fa+=+-b%2Fa
c+=+-b
Alright here a = k+1, b = -k , and c = 2k+3
%282k%2B3%29+=+k
and k+=+-3