A downward-opening parabola touches the –axis only at the point and lies below the…

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

Problem

A downward-opening parabola touches the

x

–axis only at the point

(4,0)

and lies below the

x

–axis on both sides of this point. Determine the number of real zeros of the corresponding quadratic polynomial. (a)

0

(b)

2

(c)

1

(d)

3