November 2018 1 9 Report

1.Rozwiąż układy równań graficznie i algebraiczne:
a. \begin{cases}y=3x-1\\x+y=1 \end{cases} b. \begin{cases}2x-y=3\\-2x-y=1 \end{cases} c. \begin{cases}x+2y=4\\y=-x+1 \end{cases}

2.Zakreskuj w układzie współrzędnych obszar:
a. \begin{cases} y\geq-3\\y\leq2x+2\\x \leq5\end{cases} b.\begin{cases} y\leq-x+1\\y\geq-4\\x \leq-3\end{cases}


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