Question

If the zeroes of the quadratic polynomial ax²+bx+c , c is not equal to 0 are equal, then.

a) c and b have opposite signs.
b) c and a have opposite signs.
c) c and b have same signs.
d) c and a have same signs.

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Answer 1

Answer:

d) is correct

Step-by-step explanation:

Because if zeros of a quadratic polynomial is equal

=>(x+a)^2=0 or (x-a)^2=0 (where x is variable & a is constant)

general format=(x^2+2ax+a^2=0 or x^2-2ax+a^2=0)

so in both cases a and c have same sign...