Question

Question

Answer 1

Slope= (y2-y1)/(x2-x1)
slope=(1-4)/(4-1)
slope=(-3)/(3)
slope=-1
Slope is also named m

Now you use the point slope form to find the whole equation.

y-y1=slope(x-x1)
y-1=-1(x-4)
y-1=-1x+4
y=-1x+5