Quadratic EquationHard
Question
The diagram shows the graph of y = ax2 + bx + c. Then -
Options
A.a > 0
B.b < 0
C.c > 0
D.b2 − 4ac = 0
More Quadratic Equation Questions
If one root of the equation $x^2 + px + 12 = 0$ is 4, while the equation $x^2 + px + q = 0$ has equal roots, then the va...The quadratic equation with one root is-...The equation $8x^{4} - 16x^{3} + 16x^{2} - 8x + a = 0,a \in R$ has...The number of solutions of log4 (x - 1) = log2 (x - 3) is...Let g(x) = cos x2, f(x) = x and α, β (α<β) be the roots of the quadratic equation 18x2...