Question 1185124
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1 - Regarding part  (1),  notice that the given equation describes  TWO  straight lines passing through the origin.


      So,  it becomes  UNCLEAR  to which one of the two lines the perpendicular line should be plotted

      and the corresponding equation should be written.



2 - Regarding part  (2),  could you explain  PLEASE  the meaning of this passage


<pre>
        the straight line passing through point (5, -4) which cuts the intercept 5 between two parallel lines {{{ y = (-1 - x)/2 }}} and {{{ y = (1 - x)/2 }}}?
</pre>

&nbsp;&nbsp;&nbsp;which seems to be non-sensical.