<p>The coordinates of two points $A$ and $B$ are $(8,\,-5)$ and $(-4,\,10)$ respectively.</p>
<ol class="i-list"><li><div class="list-item-paragraph">Find the equation of the line $AB$.</div></li><li><div class="list-item-paragraph">Point $C\left( p,3 \right)$ lies on the line $AB$.  </div><div class="list-item-paragraph">Calculate the value of $p$.</div></li></ol>

The coordinates of two points $A$ and $B$ are $(8,\,-5)$ and $(-4,\,10)$ respectively.

Point $C\left( p,3 \right)$ lies on the line $AB$.  

Finding equation of line given two sets of coordinates of two points

Finding equation of line given two sets of coordinates of two points

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