Which one of the following statements is always true if the quadratic polynomial can…

MATHEMATICS · Single correct · CBSE · Mathematics · Polynomials · Polynomials

Problem

Which one of the following statements is always true if the quadratic polynomial

x^{2}+bx+k

can be written as

(x+r)(x+s)

with integers

r

and

s

? (a)

r+s=-b

and

rs=k

(b)

r+s=k

and

rs=b

(c)

r+s=b

and

rs=k

(d)

r+s=b

and

rs=-k