Aline passing through the point (1,-4) and has a slope of 5. write an equation in point-slope form for this line.

The point slope formula is 
y-y1=m(x-x1). The ones are subscripts. It tells you your y1 (-4) as well as your x1 (1). They also give you the m. You simply substitute your values, which would give you: 

y-(-4)=5(x-1)
y+4=5(x-1)

Y - y1 = m(x - x1)

y + 4 = 5(x - 1)

y + 4 = 5x - 5

y = 5x - 9

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