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     2 <path id="lineAB" d="M 100 350 l 150 -300" stroke="red" stroke-width="3" fill="none" />

     3   <path id="lineBC" d="M 250 50 l 150 300" stroke="red" stroke-width="3" fill="none" />

     4   <path id="lineBC" d="M 175 200 l 150 0" stroke="red" stroke-width="3" fill="none" />

     5   <path id="quadcurveABC" d="M 100 350 q 150 -300 300 0" stroke="blue" stroke-width="5" fill="none" />

     6   <!-- Mark relevant points -->

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     9     <circle id="pointB" cx="250" cy="50" r="3" />

    10     <circle id="pointC" cx="400" cy="350" r="3" />

    11   </g>

    12   <!-- Label the points -->

    13   <g font-size="30" font="sans-serif" fill="black" stroke="none" text-anchor="middle">

    14     <text x="100" y="350" dx="-30">A</text>

    15     <text x="250" y="50" dy="-10">B</text>

    16     <text x="400" y="350" dx="30">C</text>

    17   </g>

    18 </svg>

    19