\[y = - 4x\]
\[y = 0:\]
\[- 4x = 0\]
\[\ x = 0.\]
\[y = 1:\]
\[- 4x = 1\]
\[x = - \frac{1}{4}\]
\[x = - 0,25.\]
\[y = - 3:\]
\[- 4x = - 3\]
\[\ x = \frac{3}{4}\]
\[x = 0,75.\]
\[y = - 5:\]
\[- 4x = - 5\]
\[x = \frac{5}{4} = 1\frac{1}{4}\]
\[x = 1,25.\]