Question 888952
If both were shown in slope-intercept form,
y=-x+12 and y=x+4.


Plot (0,12) and use the slope -1 to find another point;
Plot (0,4) and use slope 1 to find another point.
Draw appropriate line for each.


{{{graph(300,300,-8,14,-8,14,-x+12,x+4)}}}