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Find the value of k such that the quadratic equation kx^2 + (k+8)x+9=0 has one root
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do u have any idea about the solution
@dayakar I think I have to find the zeros but I just don't know how to
How do I solve this question?
is it first term k^2 x^2
no, the first term is kx^2
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can u compare the equation with ax^2+bx+c=0
a=k, b=(k+8)^2 , c= 9
here one root means the equation has equal roots
that means , discriminant =b^2-4ac =0
do u get it
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