\[\boxed{\mathbf{1107}.еуроки - ответы\ на\ пятёрку}\]
\[\textbf{а)}\ y = x + 1\]
\[k = tg\alpha = 1\]
\[\alpha = 45{^\circ}.\]
\[\textbf{б)}\ y = - x + 2\]
\[k = tg\alpha = - 1\]
\[\alpha = 135{^\circ}.\]
\[\textbf{в)}\ y = \frac{\sqrt{3}}{3}x + 4\]
\[k = tg\alpha = \frac{\sqrt{3}}{3}\]
\[\alpha = 30{^\circ}.\]
\[\textbf{г)}\ y = - \frac{\sqrt{3}}{3}x + 5\]
\[k = tg\ \alpha = - \frac{\sqrt{3}}{3}\]
\[\alpha = 150{^\circ}.\]
\[\textbf{д)}\ y = - \sqrt{3}x - 2\]
\[k = tg\alpha = - \sqrt{3}\]
\[\alpha = 120{^\circ}.\]