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princessbrebre4482
03.12.2021 •
Mathematics
Please can someone help with this. Answer should be y + 4x = 13 but not sure how to get to this? Where am I going wrong?
Find the equation of the line joining points (1,9) and (3,1)
m=y2-y1/x2-1= 1-9/3-1=-8/2=-4
m= -4, a = 3, b= 1
y-b= m(x-a)
y-1=-4(x-3)
y-1=-4x+12
y= -4x + 11?
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