<p>Given a straight line $x+4y=36$, find</p>
<ol class="i-list"><li><div class="list-item-paragraph">the gradient of the line.</div></li><li><div class="list-item-paragraph">The point $\left( p,2p \right)$ lies on this straight line.  </div><div class="list-item-paragraph">Calculate the value of $p$.</div></li></ol>

The point $\left( p,2p \right)$ lies on this straight line.  

Equation of a Straight Line

Gradient Identification and Coordinate Substitution in a Line Equation

Gradient Identification and Coordinate Substitution in a Line Equation

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