If the roots of $4x^2 + px + 9 = 0$ are equal,then the absolute value of $p$ is:

If $\alpha, \beta$ and $\gamma$ are three consecutive terms of a non-constant $G.P.$ such that the equations $\alpha x^2 + 2\beta x + \gamma = 0$ and $x^2 + x - 1 = 0$ have a common root,then $\alpha(\beta + \gamma)$ is equal to

The diagram shows the graph of $y = ax^2 + bx + c$. Then:

If the graph of $y = ax^2 - bx + c$ is as shown below,then the signs of $a$,$b$,and $c$ are:

If the graph of $y = ax^3 + bx^2 + cx + d$ is symmetric about the line $x = k$,then:

If the roots of the equation $\frac{x^2 - bx}{ax - c} = \frac{m - 1}{m + 1}$ are equal but opposite in sign,then the value of $m$ is: