[" D-3.The expression "y=ax^(2)+bx+c" has always the same sign as of ia'f: "],[[" (A) "4acb^(2)," (C) "4ac=b^(2)," (D) "ac

The expression y = ax^2+ bx + c has always the same sign as of a if (A) 4ac b^2 (C) 4ac= b2 (D) ac < b^2

The expression y=ax^(2)+bx+c has always the same sign as of a if (A)4ac b^(2)(C)4ac=b2(D)ac

Graph of quadratic expression y=ax^(2)+bx+c is given then

Factoris the expression. ax ^(3) - bx ^(2) + cx

35.The expression ax^(2)+2bx+b has same sign as that of b for every,real x ,then the roots of equation bx^(2)+(b-c)x+b-c-a=0 are

The trinomial ax^(2)+bx+c has no real roots a+b+c<0. Find the sign of the number c.