Question

The function x² + px + q with 'p' and 'q' greatest than zero has its minimum value when:

A. x = -p
B. x = -2p
C. x = p²/4q
D. x = -p/2

Show the necessary calculations

Answer 1

hi friend,

the function x²+px+q has the minimum value when x=-b/2a
where a=1

b=p

c=q

by substituting x=-p/2


hence the option is D


I hope this will help u;)

Answer 2

using basics property of quadratic equation we can alone this...

correct option is (D)

_______---_____________________

hope it will help u