\[\boxed{\text{185\ (185).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[y = - \frac{8}{x}\]
\[x\] | \[1\] | \[2\] | \[4\] | \[- 1\] | \[- 2\] | \[- 4\] |
---|---|---|---|---|---|---|
\[y\] | \[- 8\] | \[- 4\] | \[- 2\] | \[8\] | \[4\] | \[2\] |
\[\textbf{а)}\ x = 4 \rightarrow y = - 2;\]
\[x = 2,5 \rightarrow y = - 3,2;\]
\[x = 1,5 \rightarrow y \approx - 5,3;\]
\[x = - 1 \rightarrow y = 8;\]
\[x = - 2,5 \rightarrow y = 3,2.\]
\[\textbf{б)}\ y = 8 \rightarrow x = - 1;\]
\[y = - 2 \rightarrow x = 4.\]