Question 178029
Use the graphing to find the point of intersection of each pair of lines.
b) 
y=1/2x-4
y=2x-1
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{{{graph(400,300,-10,10,-10,10,(1/2)x-4,2x-1)}}}
Ans: (-2,-5)
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f) 
x+y-4=0
5x-y-8=0
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Rearrange:
y = -x - 4
y = 5x -8
{{{graph(400,300,-10,10,-10,10,-x-4,5x-8)}}}
Ans: (2/3 , -14/3)
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Cheers,
Stan H.