Question

$f(-3)=f\left(0\right)=0$ where f is second degree polynomial find its min value

Answer 1

$P$ second descee polynimial

$f\left(0\right)=f(-3)=0$

$\Rightarrow$ root $=-3,0$

min value at $\frac{-3+0}{2}=-1.5$

$f\left(x\right)=x(x+3)$

$\frac{-3}{2}(+\frac{3}{2})=-9/4$