Symbol
Problem
$-2020\right)$ ge $n^{2}α:20$ $→.1$ $12\right)$ $1.\pi$ a fea (a) ufata (b) ufa (c) Y a) 2 $b\right)0$ c) 1 d) 3 2 $b\right)0$ c) 1 d) 3 a) a) 2 $b\right)0$ c) $d\right)3$ 5. Had $p\left(x\right)=ax^{2}+bx+c$ fea 1 è urt ae 3t $c3\pi$ p(x) è fa a ha ha a a e a) 0 b) 1 c) freat er 6. Had Htadt $kx-y=2$ m3 $6x-2y=3$ e fea a a k a) $k=3$ b) k *3 c) $k≠0$ d) k = 0 $k\vec{d} \pi \bar{an}$ a) fea ds c) oat ds a) 1 $b\right)0$ $c\right)2$ d) fést fe at a