Answer
$y=(x-2)(x-5)$
Work Step by Step
We already know $y$, $x$, $p$ and $q$ from the given x-intercepts and the point, so in order to get the quadratic function we need to find $a$...
$y=a(x-p)(x-q)$
$-2=a(4-2)a(4-5)$
$-2=-2a$
$a=\frac{2}{2}$
$a=1$
Therefore the function is...
$y=(x-2)(x-5)$