Respuesta :
The slope is 4. That eliminates the first two answers
Y-y1=m(x-x1)
Y-2=4(x-1)
Y-2=4x-4
Add 2 to both sides
Y=4x-2
Y-y1=m(x-x1)
Y-2=4(x-1)
Y-2=4x-4
Add 2 to both sides
Y=4x-2
Which is an equation for the line contains (1,2) and has the slope of 4
Y=mx+b
2=4(1)+b
2=4+b
2-4=b
-2=b
Y= 4x-2