For what value of does the quadratic equation have equal roots?

MATHEMATICS · Single correct · CBSE · Mathematics · Quadratic Equations · Quadratic Equations

Problem

For what value of

k

does the quadratic equation

kx^{2}+6x+9=0

have equal roots? (a)

k=-1

(b)

k=0

(c)

k=1

(d)

k=2