\[y = x^{2} - 4x + 3\]
\[С\ осью\ x\ (y = 0):\]
\[x^{2} - 4x + 3 = 0\]
\[D_{1} = 4 - 3 = 1\]
\[x_{1} = 2 - 1 = 1;\]
\[x_{2} = 2 + 1 = 3.\]
\[(1;0);(3;0).\]
\[С\ осью\ \text{y\ }(x = 0):\]
\[y(0) = 0^{2} - 4 \cdot 0 + 3 = 3;\]
\[(0;3).\]