Question 129128
substituting values from the table __ -2=m(3)+b __ -2=3m+b


substituting again __ -8=m(5)+b __ -8=5m+b


subtracting the first equation from the second __ -6=2m __ -3=m


substituting __ -2=-3(3)+b __ -2=-9+b __ 7=b