Question

Write a quadratic function (f) whose zeros are −8 and 2.

Answer 1

$\bf x=-8,2\quad \begin{cases} x=-8\implies &x+8=0\\ x=2\implies &x-2=0 \end{cases} \\\\\\ (x+8)(x-2)=\stackrel{original}{polynomial}\implies x^2+6x-16=y$