Quadratic EquationHard
Question
The adjoining figure shows the graph of y = ax2 + bx + c. Then -
Options
A.a < 0
B.b2 < 4ac
C.c > 0
D.a and b are of opposite signs
More Quadratic Equation Questions
The number of real roots of the eqaution |x2 + 4x + 3| + 2x + 5 = 0 is -...The factors of 2x2 − x + p are rational if -...The possible set of real values of ' $a$ ' for which, for all $x$ not exceeding unity in absolute value, the inequality ...Let the inequalities $y( - 1) > - 4,y(1) < 0$ and $y(3) > 5$ are known to hold for $y = {ax}^{2} + bx + c$, the...The roots of the equation log2 (x2 − 4x + 5) = (x − 2) are -...