For what value of â€œkâ€ will the equation (2kx2 + 7kx +2)=0 have equal roots?
Choose the correct answer
A) 2/7
B) 16/49
C) 16/25
D) 7/1
E) 7/2
for a 2nd degree equation ax2+bx_c=0 has equal roots the condition is b2-4ac =0   in the given equation   (7k)^2-4*2k*2=0   by solving this equation   we get k=0, k=16/49   ANSWER:16/49
<result>B</result>
For what value of â€œkâ€ will the equation (2kx2 + 7kx +2)=0 have equal roots?