Question 327514
{{{y= -(1/2)x-4}}}
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{{{x=-1}}}, {{{y=-(1/2)(-1)-4=1/2-4=-7/2}}}
{{{x=-2}}}, {{{y=-(1/2)(-2)-4=1-4=-3}}}
{{{x=-4}}}, {{{y=-(1/2)(-4)-4=2-4=-2}}}
Now you do the final two following the same method.