Consider the line $L(t) = \left<-3-3t,12+t\right>$. Then $L$ intersects:

1. The $x$-axis at the point when $t$ = .
   
   
2. The $y$-axis at the point when $t$ = .
   
   
3. The parabola $y = x^2$ at the points and when $t$ = and .