\[\boxed{\text{802.}\text{\ }\text{еуроки}\text{-}\text{ответы}\text{\ }\text{на}\text{\ }\text{пятёрку}}\]
\[\textbf{а)}\ \frac{6}{|x|} = 1,5x - 2\]
\[y = \frac{6}{|x|}\]
\[x\] | \[1\] | \[- 1\] | \[2\] | \[- 2\] | \[3\] | \[- 3\] |
---|---|---|---|---|---|---|
\[y\] | \[6\] | \[6\] | \[3\] | \[3\] | \[2\] | \[2\] |
\[y = 1,5x - 2\]
\[x\] | \[0\] | \[2\] |
---|---|---|
\[y\] | \[- 2\] | \[1\] |
\[Ответ:x \approx 2,8.\]
\[\textbf{б)}\ \frac{8}{|x|} = x^{2}\]
\[y = \frac{8}{|x|}\]
\[x\] | \[1\] | \[- 1\] | \[2\] | \[- 2\] | \[4\] | \[- 4\] |
---|---|---|---|---|---|---|
\[y\] | \[8\] | \[8\] | \[4\] | \[4\] | \[2\] | \[2\] |
\[y = x^{2}\]
\[x\] | \[0\] | \[1\] | \[2\] | \[- 1\] | \[- 2\] |
---|---|---|---|---|---|
\[y\] | \[0\] | \[1\] | \[4\] | \[1\] | \[4\] |
\[Ответ:x = \pm 2.\]
\[\textbf{в)}\ \frac{3}{|x|} = x + 1\]
\[y = \frac{3}{|x|}\]
\[x\] | \[1\] | \[- 1\] | \[2\] | \[- 2\] | \[3\] | \[- 3\] |
---|---|---|---|---|---|---|
\[y\] | \[3\] | \[3\] | \[1,5\] | \[1,5\] | \[1\] | \[1\] |
\[y = x + 1\]
\[x\] | \[0\] | \[1\] |
---|---|---|
\[y\] | \[1\] | \[2\] |
\[Ответ:x \approx 1,2.\]
\[\textbf{г)}\ x^{2} = \frac{5}{|x|}\]
\[y = x^{2}\]
\[x\] | \[0\] | \[1\] | \[2\] | \[- 1\] | \[- 2\] |
---|---|---|---|---|---|
\[y\] | \[0\] | \[1\] | \[4\] | \[1\] | \[4\] |
\[y = \frac{5}{|x|}\]
\[x\] | \[1\] | \[2\] | \[5\] | \[- 1\] | \[- 2\] | \[- 5\] |
---|---|---|---|---|---|---|
\[y\] | \[5\] | \[2,5\] | \[1\] | \[5\] | \[2,5\] | \[1\] |
\[Ответ:x \approx \pm 1,8.\ \]