Your answer is xy-1<span><span> </span></span><span>=<span><span><span><span>4<span>x2</span></span><span>y2</span></span>−<span><span>4x</span>y/</span></span><span><span>4x</span>y </span></span></span><span>=<span><span><span><span>4x</span>y</span>−4/</span>4 </span></span><span>=<span><span>xy</span>−<span>1 </span></span></span>Hope this helps!
If the relationship between two quantities is a proportional relationship, this relationship can be represented by the graph of a straight line through the origin with a slope equal to the unit rate.
