Let
∴
=
As for every real number, value of (x + 3)2 and 6 are never negative.
The value of p(x) is always greater than or equal to 6.
The value of p(x) is always greater than or equal to 6.
The graph of the polynomial y = ax2 + bx + c is shown in Fig. 2.2. Write the value of b2 – 4ac.
y = ax2+ bx + c.